Antonyms of adj bulbous

2 senses of bulbous

Sense 1
bulblike, bulbous, bulb-shaped -- (shaped like a bulb)

INDIRECT (VIA round) -> square -- (having four equal sides and four right angles or forming a right angle; "a square peg in a round hole"; "a square corner")

Sense 2
bellied, bellying, bulbous, bulging, bulgy, protuberant -- (curving outward)

INDIRECT (VIA protrusive) -> intrusive -- (thrusting inward; "an intrusive arm of the sea")

Similarity of adj bulbous

2 senses of bulbous

Sense 1
bulblike, bulbous, bulb-shaped -- (shaped like a bulb)
       => round (vs. square), circular -- (having a circular shape)

Sense 2
bellied, bellying, bulbous, bulging, bulgy, protuberant -- (curving outward)
       => protrusive (vs. intrusive) -- (thrusting outward)