Antonyms of adj chinless

1 sense of chinless

Sense 1
chinless -- (having a receding chin)

INDIRECT (VIA opisthognathous) -> prognathous, prognathic, hypognathous -- (having a projecting lower jaw)

Similarity of adj chinless

1 sense of chinless

Sense 1
chinless -- (having a receding chin)
       => opisthognathous (vs. prognathous) -- (having receding jaws)