A man who lacks the refinement of a gentleman; a ruffian.

simple past tense and past participle of ungentlemanize

(transitive) To make ungentlemanly.

Third-person singular simple present indicative form of ungentlemanize

present participle of ungentlemanize

Not gentlemanly; not adhering to the high moral standards expected of a gentleman; impolite, unchivalrous, or indecent.

In a manner not befitting a gentleman.

Not gentlemanlike.

The state or condition of being ungentlemanly.

The quality of being ungentlemanlike.