Antonyms of adj demure

1 sense of demure

Sense 1
coy, demure, overmodest -- (affectedly modest or shy especially in a playful or provocative way)

INDIRECT (VIA modest) -> immodest -- (offending against sexual mores in conduct or appearance)

Similarity of adj demure

1 sense of demure

Sense 1
coy, demure, overmodest -- (affectedly modest or shy especially in a playful or provocative way)
       => modest (vs. immodest) -- (not offensive to sexual mores in conduct or appearance)