Flab First-Syllable Rhymes 9 Rhymes Found Add Flab to Favorites Definition Thesaurus One-Syllable Rhymes 1 flab Two-Syllable Rhymes 1 flabby Three-Syllable Rhymes 6 flabbergast flabbergasts flabbier flabbiest flabbily flabbiness Four-Syllable Rhymes 1 flabbergasting