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• bond
  bond

  noun

  something that binds, fastens, confines, or holds together.
• Bond
  Bond

  noun

  Carrie (Minetta) Carrie Jacobs-Bond, 1862–1946, U.S. songwriter and author.

bond

¹ American  

[bond] / bɒnd /

noun

1. something that binds, fastens, confines, or holds together.

   Synonyms:

   fetters, chains

2. a cord, rope, band, or ligament.

3. something that binds a person or persons to a certain circumstance or line of behavior.

   the bond of matrimony.

4. something, as an agreement or friendship, that unites individuals or peoples into a group; covenant.

   the bond between nations.

5. binding security; firm assurance.

   My word is my bond.

6. a sealed instrument under which a person, corporation, or government guarantees to pay a stated sum of money on or before a specified day.

7. any written obligation under seal.

8. Law. a written promise of a surety.

9. Government. the state of dutiable goods stored without payment of duties or taxes until withdrawn.

   goods in bond.

10. Also called bonded whiskey.  a whiskey that has been aged at least four years in a bonded warehouse before bottling.

11. Finance. a certificate of ownership of a specified portion of a debt due to be paid by a government or corporation to an individual holder and usually bearing a fixed rate of interest.

12. Insurance.

    1. a surety agreement.

    2. the money deposited, or the promissory arrangement entered into, under any such agreement.

13. a substance that causes particles to adhere; binder.

14. adhesion between two substances or objects, as concrete and reinforcing strands.

15. Also called chemical bond.  Chemistry. the attraction between atoms in a molecule or crystalline structure.

16. bond paper.

17. Masonry.

    1. any of various arrangements of bricks, stones, etc., having a regular pattern and intended to increase the strength or enhance the appearance of a construction.

    2. the overlap of bricks, stones, etc., in a construction so as to increase its strength.

18. Electricity. an electric conductor placed between adjacent metal parts within a structure, as in a railroad track, aircraft, or house, to prevent the accumulation of static electricity.

19. Obsolete. bondsman.

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verb (used with object)

• bonds,
  present (3rd person singular)
• bonded,
  past participle,  past
• bonding
  present participle

1. to put (goods, an employee, official, etc.) on or under bond.

   The company refused to bond a former criminal.

2. to connect or bind.

3. Finance. to place a bonded debt on or secure a debt by bonds; mortgage.

4. to join (two materials).

5. Masonry. to lay (bricks, stones, etc.) so as to produce a strong construction.

6. Electricity. to provide with a bond.

   to bond a railroad track.

7. to establish a close emotional relationship to or with (another).

   the special period when a mother bonds to her infant.

verb (used without object)

• bonds,
  present (3rd person singular)
• bonded,
  past participle,  past
• bonding
  present participle

1. to hold together or cohere, from or as from being bonded, as bricks in a wall or particles in a mass.

2. Psychology, Animal Behavior. to establish a bonding.

bond ² American  

[bond] / bɒnd /

noun

1. a serf or slave.

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adjective

1. in serfdom or slavery.

Bond ³ American  

[bond] / bɒnd /

noun

1. Carrie (Minetta) Carrie Jacobs-Bond, 1862–1946, U.S. songwriter and author.

2. Julian, 1940–2015, U.S. civil rights leader and politician.

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bond ¹ British  

/ bɒnd /

noun

1. something that binds, fastens, or holds together, such as a chain or rope

2. (often plural) something that brings or holds people together; tie

   a bond of friendship

3. (plural) something that restrains or imprisons; captivity or imprisonment

4. something that governs behaviour; obligation; duty

5. a written or spoken agreement, esp a promise

   marriage bond

6. adhesive quality or strength

7. finance a certificate of debt issued in order to raise funds. It carries a fixed rate of interest and is repayable with or without security at a specified future date

8. law a written acknowledgment of an obligation to pay a sum or to perform a contract

9. insurance a policy guaranteeing payment of a stated sum to an employer in compensation for financial losses incurred through illegal or unauthorized acts of an employee

10. any of various arrangements of bricks or stones in a wall in which they overlap so as to provide strength

11. See chemical bond

12. See bond paper

13. commerce deposited in a bonded warehouse

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verb

1. (also intr) to hold or be held together, as by a rope or an adhesive; bind; connect

2. aeronautics to join (metallic parts of an aircraft) together such that they are electrically interconnected

3. to put or hold (goods) in bond

4. law to place under bond

5. finance to issue bonds on; mortgage

6. to arrange (bricks, etc) in a bond

Bond ² British  

/ bɒnd /

noun

1. Edward . born 1934, British dramatist: his plays, including Saved (1965), Lear (1971), Restoration (1981), and In the Company of Men (1990), are noted for their violent imagery and socialist commitment

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bond Scientific  

/ bŏnd /

1. A force of attraction that holds atoms or ions together in a molecule or crystal. Bonds are usually created by a transfer or sharing of one or more electrons. There are single, double, and triple bonds.

2. See also coordinate bond covalent bond ionic bond metallic bond polar bond

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bond Cultural  

1. A security issued by a corporation or public body and usually carrying a fixed rate of interest and a set date, called the bond's maturity, for redemption of the principal. Like a stock, a bond is a type of investment, but unlike a stock, a bond has a definite, but not necessarily fixed, yield. Some bonds have a feature known as a call, which gives the borrower an option to pay off the principal of the bond before its maturity, the date when the bond is due to be redeemed. (See municipal bonds and Treasury bills.)

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Usage

What is a basic definition of bond? A bond is something that binds or fastens things together, something that unites people, or an attraction between atoms in a molecule. Bond has many other senses as a noun and a verb. Bond can refer to anything that holds or links things together. For example, glue is commonly used as a bond to make things stick to each other. Bond is often used in the plural when referring to things like shackles or handcuffs that bind multiple parts of the body. In this sense, bond is often used figuratively to refer to things that bind or restrict a person’s liberty or freedom.

• Real-life examples: Glue, rope, zip ties, cables, pins, and staples are examples of things used as bonds. Prisoners are often kept in bonds, like chains, handcuffs, and shackles, to prevent them from escaping. Throughout history, people have rebelled against the bonds of tyranny, that is, oppression of a government they think is unfair or unjust.
• Used in a sentence: We freed the prisoners from their metal bonds. 

This sense of bond is also used as a verb to mean to bind things together.

• Used in a sentence: The welder bonded the steel sheets to each other. 

In a similar sense, bond is used in chemistry to refer to an attraction between atoms that hold them together to form molecules. These are also known as chemical bonds and they are a very important concept to molecular chemistry.

• Real-life examples: Chemical bonds are further divided into specific kinds of bonds that hold molecules together. Different types of bonds include covalent bonds, ionic bonds, hydrogen bonds, coordinate bonds, and metallic bonds.
• Used in a sentence: Professor Smith used a model to show us the bonds between atoms in a molecule of ammonia. 

Bond is also used in a figurative sense to refer to agreements or relationships that unite people. In this sense, bond often specifically refers to an especially close or trusting relationship.

• Real-life examples: You are connected to your family and friends by a close bond. You may also form close bonds with your pet. Countries that are allies have a close bond and usually promise to help or protect each other.
• Used in a sentence: John and Paul have a strong bond of friendship and they think of each other as brothers. 

Closely related to this sense, bond is used as a verb to mean to form a strong emotional relationship with someone.

• Used in a sentence: I bonded with my father during the many fishing trips we went on together. 

Synonym Usage

Bond, link, tie agree in referring to a force or influence that unites people. Bond, however, usually emphasizes the strong and enduring quality of affection, whereas tie may refer more especially to duty, obligation, or responsibility: bonds of memory; Blessed be the tie that binds; family ties. A link is a definite connection, though a slighter one; it may indicate affection or merely some traceable influence or desultory communication: a close link between friends.

Other Word Forms

Derived Forms

• bonder
  noun
• bondable
  adjective
• bondless
  adjective

Inflected Forms

Participles

• bonding
  present
• bonded
  past

Conjugated Forms

Present

• bond
  simple
• bonds
  simple
• have bonded
  perfect
• has bonded
  perfect
• am bonding
  progressive
• are bonding
  progressive
• is bonding
  progressive
• have been bonding
  perfect progressive
• has been bonding
  perfect progressive

Past

• bonded
  simple
• had bonded
  perfect
• was bonding
  progressive
• were bonding
  progressive
• had been bonding
  perfect progressive

Future

• will bond
  simple
• will have bonded
  perfect
• will be bonding
  progressive
• will have been bonding
  perfect progressive

Etymology

Origin of bond¹

First recorded in 1175–1225; Middle English noun bond, band, bound; variant of band ³

Origin of bond²

First recorded before 1050; Middle English bonde, bande, bounde “tenant farmer, villager,” Old English bonda “husband, head of a household,” from Old Norse bōndi “farmer, peasant,” contraction of unattested bōande, variant of būande, cognate with Old English būend “dweller,” equivalent to bū(an) “to dwell” + -end noun suffix, as in fiend, friend; see also boor, husbandman

Explanation

You and your best friend have a bond that allows you to trust each other with all your thoughts and secrets. A bond is a connection between two things. Bond can refer to a physical or emotional restraint as in a prisoner who might tear off his bonds and escape to freedom. If you are arrested, your parents will have to pay a bond to get you released from jail. If you don't show up to court, they will lose that money. A certificate of debt issued by a government or corporation is also called a bond. When you cash in the bond on a set date, you get your money back plus interest. In its meaning of "connection," bond can be used as a verb. Have you ever met someone and felt an instant connection? You can say that you bonded.

Example Sentences

See Examples For:

bond Bond bonds bonded bonding

U.S. stocks fell Tuesday as a worldwide bond selloff pushed long-term yields to their highest levels in years.

From The Wall Street Journal ● Aug. 18, 2026

In other words, bond investors are more concerned about the future of the U.S. debt picture and economy, and that’s driving yields up.

From MarketWatch ● Aug. 18, 2026

There the 10-year government bond, at about 2.93%, is now at its highest yield since 1996.

From The Wall Street Journal ● Aug. 18, 2026

Mortgage rates rose slightly on Tuesday due to a deepening late-summer bond selloff.

From MarketWatch ● Aug. 18, 2026

He wasn’t just a good bond trader, he was a great bond trader.

From "The Big Short" by Michael Lewis

Bond yields move inversely to prices, rising as prices fall since higher yields are needed to attract buyers.

From MarketWatch ● Aug. 18, 2026

Bond investors typically demand higher returns - or yields - if inflation is high or they expect it to be elevated in the future.

From BBC ● Aug. 18, 2026

Bond market investors were cautious as “Iran and the U.S. appear to harden their positions”, Deutsche Bank Research strategists said in a note.

From The Wall Street Journal ● Aug. 13, 2026

Bond markets soured to rising oil prices as hopes for a U.S.-Iran deal over Hormuz faded, and Treasury yields rose.

From The Wall Street Journal ● Aug. 11, 2026

Downstairs they exited the building into a small employee parking lot and headed straight for a sports car that looked like it belonged in a James Bond movie.

From "City Spies" by James Ponti

Investors are hesitant to buy longer-term bonds because of the risk that rates could move higher, and possibly much higher, even if the Fed doesn’t move immediately.

From The Wall Street Journal ● Aug. 18, 2026

A flood of long-duration corporate bonds from “hyperscalers” to fund their data-center buildouts has been making the problem worse, she said.

From MarketWatch ● Aug. 18, 2026

Interest rates on bonds - which are a type of debt - are known as yields and can directly affect the borrowing costs consumers pay on mortgages, car loans and credit cards.

From BBC ● Aug. 18, 2026

In addition to oil, another bearish driver for bonds could be supply.

From Barron's ● Aug. 18, 2026

For the bonds to default, he now said, U.S. house prices had to fall, and Joe Cassano didn’t believe house prices could ever fall everywhere in the country at once.

From "The Big Short" by Michael Lewis

And if so, what would this mean to my angel boyfriend whom I deeply loved, but had mutually bonded with over not wanting marriage?

From Los Angeles Times ● Aug. 14, 2026

Usyk presented Trump with a signed boxing glove and the two men bonded over their love for the late Muhammad Ali, with whom Usyk shares a birthday.

From The Wall Street Journal ● Jul. 28, 2026

The students’ process of losing teachers they had bonded with, come to trust and looked forward to having again is anything but painless.

From Salon ● Jul. 28, 2026

Hence the cold seal solution, in which enough pressure is applied for the barrier coated paper to be bonded against itself.

From BBC ● Jul. 27, 2026

Natalie and Shannon had met in homeroom last year at the beginning of sixth grade and had immediately bonded over their shared love of boba tea, K-pop, and extreme weather shows.

From "Two Degrees" by Alan Gratz

Aaron Rodgers recently posted photos to Instagram of himself bonding with his parents and one of his brothers.

From Los Angeles Times ● Aug. 5, 2026

The measurements revealed that the strong bonding between the membranes does more than simply hold them together.

From Science Daily ● Aug. 3, 2026

Isa's comments section filled with people bonding over similar experiences of living alone or having no friends, and finding comfort in "feeling seen".

From BBC ● Aug. 1, 2026

Americans, particularly young professionals, seem less interested in bonding with co-workers, as evidenced by the decline of happy hours.

From The Wall Street Journal ● Jul. 23, 2026

I also met Gabourey Sidibe, star of the film Precious, and we had a bonding moment.

From "How Dare the Sun Rise" by Sandra Uwiringiyimana

Related Words

• certificate
• debenture
• obligation
• security
• transaction
• warrant