Antonyms of adj double-chinned

1 sense of double-chinned

Sense 1
double-chinned, jowly, loose-jowled -- (having sagging folds of flesh beneath the chin or lower jaw)

INDIRECT (VIA fat) -> thin, lean -- (lacking excess flesh; "you can't be too rich or too thin"; "Yon Cassius has a lean and hungry look"-Shakespeare)

Similarity of adj double-chinned

1 sense of double-chinned

Sense 1
double-chinned, jowly, loose-jowled -- (having sagging folds of flesh beneath the chin or lower jaw)
       => fat (vs. thin) -- (having an (over)abundance of flesh; "he hadn't remembered how fat she was")