Synonyms for rib Found 9 synonyms across 2 meanings for “rib”. any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates) (noun) costa subject to laughter or ridicule (verb) ridiculeroastguyblackguard Explore Related Words Rhymes with ribSynonyms for costaSynonyms for ridiculeSynonyms for roastSynonyms for guySynonyms for blackguard Synonym Finder | Rhyme Finder | Poetry Editor