Synonyms of incomprehensible

1 Syllable

greek

2 Syllables

puzzling, baffling, cryptic, delphic, full-out, wordless, unclear

3 Syllables

mystifying, perplexing, abstruse, fathomless, sphinxlike, mysterious, obscure, unvocal, limitless, opaque, marvelous, obscurer

4 Syllables

lamebrained, cacographic, unknowable, enigmatic, unlimited, inscrutable, elusive, sibylline, ungraspable, alchemistic, poker-faced, elusory, incoherent, unreadable

5 Syllables

unaccountable, unfathomable, incognizable, astrological, inexplicable, undefinable, unexplainable, uncalculable, impenetrable, incohesive, inexplainable, unreflective, enigmatical, inconceivable

6 Syllables

unimaginable, inarticulate, inapprehensible, unintelligible, undiscoverable, uninformative, amphibological, undecipherable