Antonyms of adj ungentlemanly

1 sense of ungentlemanly

Sense 1
ungentlemanly, ungentlemanlike -- (not befitting a gentleman)

INDIRECT (VIA unrefined) -> refined -- ((used of persons and their behavior) cultivated and genteel; "she was delicate and refined and unused to hardship"; "refined people with refined taste")

Similarity of adj ungentlemanly

1 sense of ungentlemanly

Sense 1
ungentlemanly, ungentlemanlike -- (not befitting a gentleman)
       => unrefined (vs. refined) -- ((used of persons and their behavior) not refined; uncouth; "how can a refined girl be drawn to such an unrefined man?")