1. ungentlemanly - Adjective
2. ungentlemanly - Adverb
3. ungentlemanly - Adjective Satellite
not befitting a gentleman
Source: WordNetIn England it is not ungentlemanly to steal halfpennies from children, and industrial interests, it may be assumed, will oppose any reform which interferes with the supply of cheap juvenile labour. R. H. Tawney
You are trying to kidnap what I have rightfully stolen, and I think it quite ungentlemanly. William Goldman
The trouble began with Forster. After him it was considered ungentlemanly to write more than five or six novels. Anthony Burgess
It is ungentlemanly to lie; truthfulness becomes the gentleman. Latin Proverb