adjective
1.
being without a spouse
enjoying life as a single girl
Synonyms: sole, spouseless, unmarried, unwed
Related Word: free, unattached, unfettered; celibate; maiden, virgin
Idioms: footloose and fancy-free
Contrasted words: attached; united; wed
Antonyms: married
2.
one as distinguished from two or more or all others
a single instance of dishonesty has been cited
Synonyms: lone, one, only, particular, separate, sole, solitary, unique
Related Word: individual, singular; especial, special, specific; distinguished, singled-out; distinct
Contrasted words: several; manifold, many, numerous
Antonyms: multiple
3.
Synonyms: frank , candid, open, plain, single-eyed, single-hearted, single-minded, straightforward, undissembled, unvarnished
4.
Synonyms: sole 4, exclusive, unshared