Synonyms of undefinable
- 1 Syllable
- odd
- 2 Syllables
- puzzling, baffling, strange
- 3 Syllables
- mystifying, mysterious, obscure, peculiar
- 4 Syllables
- enigmatic, inscrutable, unsolvable, insoluble
- 5 Syllables
- unaccountable, unfathomable, inexplicable, unexplainable, inexplainable, indescribable
- 6 Syllables
- unintelligible, incomprehensible, indecipherable