single

American  

[sing-guhl] / ˈsɪŋ gəl /

adjective

1. only one in number; one only; unique; sole.

   a single example.

   Synonyms:

   particular, distinct

2. of, relating to, or suitable for one person only.

   a single room.

3. solitary or sole; lone.

   He was the single survivor.

   Synonyms:

   isolated

4. unmarried or not in a romantic relationship.

   a single man.

   Synonyms:

   unwed

5. pertaining to the unmarried state.

   the single life.

6. of or noting a parent who brings up a child or children alone, without a partner.

7. of one against one, as combat or fight.

8. consisting of only one part, element, or member.

   a single lens.

9. sincere and undivided.

   single devotion.

10. separate, particular, or distinct; individual.

    Every single one of you must do your best. It's the single most important thing.

11. uniform; applicable to all.

    a single safety code for all manufacturers.

12. (of a bed or bedclothes) twin-size.

13. (of a flower) having only one set of petals.

14. British. of standard strength or body, as ale, beer, etc.

15. (of the eye) seeing rightly.

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verb (used with object)

singled, singling

1. to pick or choose (one) from others (usually followed byout ).

   to single out a fact for special mention.

   Synonyms:

   select

2. Baseball.

   1. to cause the advance of (a base runner) by a one-base hit.

   2. to cause (a run) to be scored by a one-base hit (often followed by in orhome ).

verb (used without object)

singled, singling

1. Baseball. to hit a single.

noun

1. one person or thing; a single one.

   Synonyms:

   individual

2. an accommodation suitable for one person only, as a hotel room or a table at a restaurant.

   to reserve a single.

3. a ticket for a single seat at a theater.

4. British.

   1. a one-way ticket.

   2. a steam locomotive having one driving wheel on each side.

5. singles, people who are unmarried or not in a romantic relationship, especially if relatively young.

   It's not uncommon for singles to feel lonely on Valentine Day.

6. Also called one-base hit.  Baseball. a base hit that enables a batter to reach first base safely.

7. (used with a singular verb) singles, a match with one player on each side, as a tennis match.

8. Golf. twosome.

9. Cricket. a hit for which one run is scored.

10. Informal. a one-dollar bill.

11. Music.

    1. a phonograph record, CD, or cassette usually having two songs.

       I probably won't buy the single.

    2. one of the songs recorded on a single.

       a hit single.

    3. a song released or promoted separately from the rest of the album to which it belongs.

       A viral video put that single back on the charts.

12. Textiles. Often singles

    1. reeled or spun silk that may or may not be thrown.

    2. a one-ply yarn of any fiber that has been drawn and twisted.

single British  

/ ˈsɪŋɡəl /

adjective

1. existing alone; solitary

   upon the hill stood a single tower

2. distinct from other things; unique or individual

3. composed of one part

4. designed for one user

   a single room

   a single bed

5. (also postpositive) unmarried

6. connected with the condition of being unmarried

   he led a single life

7. (esp of combat) involving two individuals; one against one

8. sufficient for one person or thing only

   a single portion of food

9. even one

   there wasn't a single person on the beach

10. (of a flower) having only one set or whorl of petals

11. determined; single-minded

    a single devotion to duty

12. (of the eye) seeing correctly

    to consider something with a single eye

13. rare honest or sincere; genuine

14. archaic (of ale, beer, etc) mild in strength

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noun

1. something forming one individual unit

2. an unmarried person

3. a gramophone record, CD, or cassette with a short recording, usually of pop music, on it

4. golf a game between two players

5. cricket a hit from which one run is scored

6. 1. a pound note

   2. a dollar note

7. See single ticket

verb

1. to select from a group of people or things; distinguish by separation

   he singled him out for special mention

2. (tr) to thin out (seedlings)

3. short for single-foot

single Idioms  

More idioms and phrases containing single

• each and every (every single)

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Other Word Forms

• quasi-single adjective
• quasi-singly adverb
• singleness noun
• unsingle adjective

Etymology

Origin of single

First recorded in 1275–1325; late Middle English (adjective), Middle English sengle, from Old French, from Latin singulus “individual, single” (usually in the plural singuli “one apiece”); simplex , simultaneous

Example Sentences

All these threads, obviously, are bound for a single knot.

From Los Angeles Times

We’ve lost every single physical thing we carried into our home for safekeeping.

From Los Angeles Times

No single form of exercise clearly outperformed others.

From Science Daily

The London-listed group said Primark’s sales growth didn’t meet its expectations, and that it now expects the brand’s sales to increase in the low single digits in the first half of 2026.

From The Wall Street Journal

The strong sensing performance of 2D materials supports the development of integrated platforms that combine light sources and detectors into a single system.

From Science Daily

Related Words

• individual
• lone
• original
• particular
• personal
• private
• separate
• simple
• sole
• special
• specific