adjective

1. 1. one only; one and no more; individual
   2. separate and distinct from others of the same kind every single time
2. without another or others; alone; solitary
3. of or for one person, as a bed or room, or one family, as a house
4. between two persons only; with only one on each side single combat
5. 1. unmarried
   2. of or characteristic of the unmarried state
6. having only one part; not double, compound, multiple, etc.
7. the same for all; uniform a single scale of pay
8. being a whole, or unbroken forming a single front
9. having only one row or set of petals: said of flowers
10. honest; sincere
11. seeing justly to judge with a single eye
12. Rare unique; singular
13. Archaic weak; inferior: said of beer, ale, etc.

Etymology: ME < OFr sengle < L singulus, single: for IE base see simple

transitive verb singled -·gled, singling -·gling

1. to select or distinguish from others: now usually with out
2. ☆ Baseball to advance (a runner) by hitting a single

intransitive verb

noun

1. a single person or thing; specif.,
   1. a hotel room, travel space, etc. for one person
   2. unmarried people collectively
   3. ☆ Informal a one-dollar bill
   4. Informal a phonograph record, usually recorded at 45 rpm, with one short performance on each side
2. ☆ Baseball a hit on which the batter reaches first base
3. Cricket a hit by which one run is scored
4. Golf a match between two players
5. Racket Sports a match with only one player on each side