Antonyms of adj courtly

1 sense of courtly

Sense 1
courtly, formal, stately -- (refined or imposing in manner or appearance; befitting a royal court; "a courtly gentleman")

INDIRECT (VIA dignified) -> undignified -- (lacking dignity)

Similarity of adj courtly

1 sense of courtly

Sense 1
courtly, formal, stately -- (refined or imposing in manner or appearance; befitting a royal court; "a courtly gentleman")
       => dignified (vs. undignified) -- (having or expressing dignity; especially formality or stateliness in bearing or appearance; "her dignified demeanor"; "the director of the school was a dignified white-haired gentleman")