Synonyms for niche Found 4 synonyms across 2 meanings for “niche”. a small concavity (noun) recessrecessioncorner (ecology) the status of an organism within its environment and community (affecting its survival as a species) (noun) Explore Related Words Rhymes with nicheSynonyms for recessSynonyms for recessionSynonyms for corner Synonym Finder | Rhyme Finder | Poetry Editor