Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb rib

2 senses of rib

Sense 1
rib -- (form vertical ribs by knitting; "A ribbed sweater")
       => knit -- (make (textiles) by knitting; "knit a scarf")

Sense 2
ridicule, roast, guy, blackguard, laugh at, jest at, rib, make fun, poke fun -- (subject to laughter or ridicule; "The satirists ridiculed the plans for a new opera house"; "The students poked fun at the inexperienced teacher"; "His former students roasted the professor at his 60th birthday")
       => mock, bemock -- (treat with contempt; "The new constitution mocks all democratic principles")

Antonyms of adj ribbed

2 senses of ribbed

Sense 1
ribbed (vs. ribless) -- (furnished or strengthened with ribs)

ribless (vs. ribbed) -- (having no ribs or no visible ribs)

Sense 2
costate, ribbed -- ((of the surface) having a rough, riblike texture)

INDIRECT (VIA rough) -> smooth -- (having a surface free from roughness or bumps or ridges or irregularities; "smooth skin"; "a smooth tabletop"; "smooth fabric"; "a smooth road"; "water as smooth as a mirror")

Similarity of adj ribbed

2 senses of ribbed

Sense 1
ribbed (vs. ribless) -- (furnished or strengthened with ribs)
       => costate -- (having ribs)
       => riblike -- (resembling a rib)

Sense 2
costate, ribbed -- ((of the surface) having a rough, riblike texture)
       => rough (vs. smooth), unsmooth -- (having or caused by an irregular surface; "trees with rough bark"; "rough ground"; "rough skin"; "rough blankets"; "his unsmooth face")