IPA: //ˈkaʊntərˌkleɪm//
KK: /ˈkaʊntərˌkleɪm/
To make a claim that opposes another claim, especially in a legal context.
The lawyer decided to counterclaim against the accusations made by the plaintiff.
Past: counterclaimed
Past Participle: counterclaimed
Counterclaim → It is formed from "counter-" (meaning against) and "claim" (from Latin "clamare", meaning to shout or declare). The word refers to a declaration made in opposition to another claim.
Think of making a declaration ('claim') that is 'against' ('counter-') another person's statement.
No commonly confused words.