Antonyms of adj ungallant

1 sense of ungallant

Sense 1
caddish, unchivalrous, ungallant -- (offensively discourteous)

INDIRECT (VIA discourteous) -> courteous -- (characterized by courtesy and gracious good manners; "if a man be gracious and courteous to strangers it shows he is a citizen of the world"-Francis Bacon)

Similarity of adj ungallant

1 sense of ungallant

Sense 1
caddish, unchivalrous, ungallant -- (offensively discourteous)
       => discourteous (vs. courteous) -- (showing no courtesy; rude; "a distant and at times discourteous young")