add

¹ American  

[ad] / æd /

verb (used with object)

1. to unite or join so as to increase the number, quantity, size, or importance.

   to add two cups of sugar; to add a postscript to her letter;

   to add insult to injury.

   Synonyms:

   adjoin, attach, append, affix

2. to find the sum of (often followed byup ).

   Add this column of figures.

   Add up the grocery bills.

   Synonyms:

   sum, total

3. to say or write further.

4. to include (usually followed byin ).

   Don't forget to add in the tip.

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verb (used without object)

1. to perform the arithmetic operation of addition.

   children learning to add and subtract.

2. to be or serve as an addition (usually followed byto ).

   His illness added to the family's troubles.

noun

1. Journalism. copy added to a completed story.

verb phrase

1. add up to to signify; indicate.

   The evidence adds up to a case of murder.

idioms

1. add up,

   1. to make the desired, expected, or correct total.

      These figures don't add up right.

   2. to seem reasonable or consistent; be in harmony or accord.

      Some aspects of the story didn't add up.

ADD ² American  

[ey-dee-dee] / ˈeɪˈdiˈdi /

abbreviation

1. attention deficit disorder: the inattentive subtype of ADHD, usually marked by distractibility and difficulties with executive function.

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add ¹ British  

/ æd /

verb

1. to combine (two or more numbers or quantities) by addition

2. to increase (a number or quantity) by another number or quantity using addition

3. to join (something) to something else in order to increase the size, quantity, effect, or scope; unite (with)

   to add insult to injury

4. to have an extra and increased effect (on)

   her illness added to his worries

5. (tr) to say or write further

6. to include

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noun

1. informal an instance of adding someone to one's list of contacts on a social networking site, esp MySpace

   Thanks for the add!

ADD ² British  

abbreviation

1. attention deficit disorder

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ADD Scientific  

1. Abbreviation of attention deficit disorder

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Other Word Forms

• addable adjective
• addedly adverb
• addible adjective
• misadd verb
• readd verb (used with object)
• unaddable adjective
• unadded adjective
• unaddible adjective

Etymology

Origin of add¹

First recorded in 1325–75; Middle English adden, from Latin addere, equivalent to ad- ad- + -dere “to put” (combining form; do ¹ )

Origin of ADD²

First recorded in 1975–80

Example Sentences

He added specialist staff were providing advice to households and businesses on an individual level, while volunteers had been mobilised to help with bottled water.

From BBC

"My sincerest and heartfelt condolences continue to remain with the families of both teenagers through this unimaginably difficult time," he added.

From BBC

Henson described his public and private personalities as "two extremes", adding that he found it "really hard socially".

From BBC

The 23-year-old Swiss singer told fans she was "healthy" and "taking care of myself," adding: "Sometimes things unfold in ways we don't fully control, but I'm trusting the bigger picture."

From BBC

Bremen currently sit 16th, in the relegation playoff spot, with the spokesperson saying that the potential for relegation added to the difficulty of planning the trip, along with creating "certain economic risks".

From Barron's

Related Words

• boost
• continue
• include
• reply