Home › Words › O › overachieveroverachieveroverachiever means one who overachieves; one who has too much success.EtymologyFrom overachieve + -er or over- + achiever.nounOne who overachieves; one who has too much success.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.superachiever 80% match — One who achieves a great deal. vs overachiever →overdeliverer 72% match — One who overdelivers. vs overachiever →achiever 72% match — One who achieves something. vs overachiever →overaccomplishment 71% match — Excessive accomplishment. vs overachiever →outperformer 69% match — One who outperforms. vs overachiever →overdoer 67% match — Someone who overdoes something. vs overachiever →outachieve 65% match — To surpass in achievement; to achieve more than. vs overachiever →overproducer 64% match — One who overproduces. vs overachiever →