Antonyms of adj rotund

3 senses of rotund

Sense 1
rotund -- (spherical in shape)

INDIRECT (VIA rounded) -> angular, angulate -- (having angles or an angular shape)

Sense 2
orotund, rotund, round, pear-shaped -- ((of sounds) full and rich; "orotund tones"; "the rotund and reverberating phrase"; "pear-shaped vowels")

INDIRECT (VIA full) -> thin -- ((of sound) lacking resonance or volume; "a thin feeble cry")

Sense 3
corpulent, obese, weighty, rotund -- (excessively fat; "a weighty man")

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 rotund

3 senses of rotund

Sense 1
rotund -- (spherical in shape)
       => rounded (vs. angular) -- (curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders")

Sense 2
orotund, rotund, round, pear-shaped -- ((of sounds) full and rich; "orotund tones"; "the rotund and reverberating phrase"; "pear-shaped vowels")
       => full (vs. thin) -- ((of sound) having marked deepness and body; "full tones"; "a full voice")

Sense 3
corpulent, obese, weighty, rotund -- (excessively fat; "a weighty man")
       => fat (vs. thin) -- (having an (over)abundance of flesh; "he hadn't remembered how fat she was")