| Main Entry: | |
| Part of Speech: | noun |
| Definition: | something united with another, especially by treaty |
| Synonyms: | accessory, accomplice, associate, co-worker, coadjutor, collaborator, colleague, confederate, friend, helper, partner |
| Antonyms: | antagonist, enemy |
| Main Entry: | buddy |
| Part of Speech: | noun |
| Definition: | friend |
| Synonyms: | associate, chum, co-mate, co-worker, companion, comrade, confidant, crony, intimate, mate, pal, peer, sidekick |
| Antonyms: | enemy |
| Main Entry: | collaborator |
| Part of Speech: | noun |
| Definition: | person who works with another |
| Synonyms: | assistant, associate, co-worker, colleague, confederate, fellow traveller, helper, partner, quisling, running dog, team player, teammate |
| Main Entry: | colleague |
| Part of Speech: | noun |
| Definition: | associate, fellow worker |
| Synonyms: | aide, ally, assistant, auxiliary, buddy, chum, co-worker, coadjutor, cohort, collaborator, companion, compatriot, compeer, comrade, confederate, confrere, crony, friend, helper, pal, partner, teammate, workmate |
| Antonyms: | antagonist, detractor, enemy, opponent, opposer |
| Main Entry: | companion |
| Part of Speech: | noun |
| Definition: | helper, friend |
| Synonyms: | accompaniment, accomplice, aide, ally, assistant, associate, attendant, buddy, chaperon, co-worker, colleague, comate, complement, comrade, concomitant, confederate, consort, convoy, counterpart, cousin, crony, cuz, double, escort, guide, match, mate, nurse, pal, pard, partner, playmate, protector, roomie, safeguard, sidekick |
| Antonyms: | enemy, foe, foreigner, opponent, stranger |
| Main Entry: | comrade |
| Part of Speech: | noun |
| Definition: | ally |
| Synonyms: | associate, bosom buddy, buddy, chum, co-worker, colleague, comate, companion, compatriot, compeer, confederate, confidant, confidante, crony, friend, intimate, mate, pal, partner, sidekick |
| Antonyms: | enemy, foe, opponent |
| Main Entry: | fellow |
| Part of Speech: | noun |
| Definition: | male or female colleague, friend |
| Synonyms: | assistant, associate, cohort, companion, compeer, comrade, concomitant, confrere, consort, coordinate, counterpart*, coworker, double, duplicate, equal, instructor, lecturer, match, mate, member, partner, peer, professor, reciprocal, twin |
| Antonyms: | enemy |
| Main Entry: | mate |
| Part of Speech: | noun |
| Definition: | one of a pair; partner |
| Synonyms: | acquaintance, alter ego, analog, assistant, associate, bedmate, bride, buddy*, chum*, classmate, cohort, colleague, companion, compeer, complement, comrade, concomitant, consort, coordinate, counterpart, coworker, crony, double, duplicate, familiar, friend, groom, helper, helpmate, intimate, match, pal*, peer, playmate, reciprocal, roommate, schoolmate, sidekick*, spouse, twin |
| Main Entry: | partner |
| Part of Speech: | noun |
| Definition: | person who takes part with another |
| Synonyms: | accomplice, ally, assistant, associate, buddy, chum*, cohort, collaborator, colleague, companion, comrade, confederate, consort, coworker, crony, date, friend, helper, helpmate, husband, mate, pal*, participant, playmate, sidekick*, spouse, teammate, wife |
| Antonyms: | enemy, foe |