Antonyms of adj portly

1 sense of portly

Sense 1
portly, stout -- (euphemisms for `fat'; "men are portly and women are stout")

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 portly

1 sense of portly

Sense 1
portly, stout -- (euphemisms for `fat'; "men are portly and women are stout")
       => fat (vs. thin) -- (having an (over)abundance of flesh; "he hadn't remembered how fat she was")