- that impresses favorably; engaging or attractive: a confident and prepossessing young man.
- not creating a favourable impression; unattractive
- creating a favourable impression; attractive
adj.1816, from un- (1) “not” + prepossessing. adj.1640s, “causing prejudice,” present participle adjective from prepossess. Opposite meaning “causing agreeable first impression” first recorded 1805.