Table of Contents POS
HYPHEN
WORDNET DICTIONARY
ROGET THESAURUS

WORDNET DICTIONARY

Noun cooperator has 1 sense

• cooperator(n = noun.person) collaborator, pardner, partner - an associate in an activity or endeavor or sphere of common interest; "the musician and the librettist were collaborators"; "sexual partners"
is a kind of associate
has particulars: bridge partner, dancing partner
Derived form verb cooperate₁

ROGET THESAURUS

cooperator

Auxiliary

N auxiliary, recruit, assistant, adjuvant, adjutant, ayudante, coaid, adjunct, help, helper, help mate, helping hand, midwife, colleague, partner, mate, confrere, cooperator, coadjutor, coadjutrix, collaborator, ally, friend, confidant, fidus Achates, pal, buddy, alter ego, confederate, accomplice, complice, accessory, accessory after the fact, particeps criminis, socius criminis, aide-de-camp, secretary, clerk, associate, marshal, right-hand, right-hand man, Friday, girl Friday, man Friday, gopher, gofer, candle- holder, bottle-holder, handmaid, servant, puppet, cat's-paw, jackal, tool, dupe, stooge, ame damnee, satellite, adherent, votary, sectarian, secretary, seconder, backer, upholder, abettor, advocate, partisan, champion, patron, friend at court, mediator, angel (theater, entertainment), friend in need, Jack at a pinch, deus ex machina, guardian angel, tutelary genius.

For further exploring for "cooperator" in Webster Dictionary Online