Definition of "nice guy" in Anglais

Noun

1. An inoffensive adult male who desires romantic companionship but who is too bland and uninspiring to be attractive.

2. A man who pretends to be kind and polite with the goal of attracting women, often becoming hostile and misogynistic when their advances are rebuffed; someone affected by nice guy syndrome.

3. Used other than figuratively or idiomatically: see nice,‎ guy.