IPA: //ˈkɒks.kɒm.ɪ.kəl//
KK: /ˈkɒksˌkɒmbɪkəl/
Relating to or resembling a coxcomb, which is a type of hat or a vain and conceited person.
His coxcombical behavior made everyone roll their eyes at the party.
Coxcombical → It is formed from "coxcomb" (from Middle English *cokescumb*, meaning a fool or a vain man) and the suffix "-ical" (meaning pertaining to). The word "coxcombical" describes something that is characteristic of or relating to a coxcomb, often implying foolishness or vanity.
Think of a 'coxcomb' as a 'fool' and remember that 'coxcombical' means something related to foolishness or vanity.
No commonly confused words.