1
counterpart
1
crony
1
fellowship mate
1
fere
1
frater
1
girl friend
1
gossip
1
halver
1
help-mate
1
helpmeet
1
joint partner
1
junior partner(expression, idiom, friend)
1
limited partner
1
managing partner
1
marrow
1
old chap
1
old fellow
1
pard
1
partner in crime(crime, criminal, partner, participant)
1
party
11 years ago|1.5k views|share |citing 
APASmart Define. (2015). copartner thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/copartner/thesaurus/synonyms
ChicagoSmart Define. 2015. "copartner thesaurus" https://smartdefine.org/copartner/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, copartner thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/copartner/thesaurus/synonyms>.
MLASmart Define. "copartner thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/copartner/thesaurus/synonyms>