singly
WordReference English Thesaurus © 2025
Synonyms:
alone Collocations, by itself, by oneself, separately Collocations, only Collocations, solely Collocations, one by one, privately, individually, singularly, once Collocations, only once
Antonyms:
together Collocations, combined, jointly, simultaneously, collectively, en masse, in conjunction, in groups, in a crowd, several times, on many occasions, all told, in all