IPA: /ˈoʊvərˌkleɪm/
KK: /oʊvərˈkleɪm/
To make a claim that is greater than what is true or reasonable.
The company was accused of trying to overclaim the benefits of their new product.
Past: overclaimed
Past Participle: overclaimed
Overclaim → It is formed from "over-" (meaning excessively or too much) and "claim" (from Old French *clamer*, meaning to call out or declare). The word "overclaim" means to excessively declare or assert something, often beyond what is true or reasonable.
Think of 'over-' meaning too much and 'claim' meaning to declare something — this helps you remember that 'overclaim' means to declare something excessively.
No commonly confused words.