Synonyms of unheard-of
- 1 Syllable
- rare, new, x
- 2 Syllables
- orphic, unknown, reachy, shocking, unsung, novel
- 3 Syllables
- uncanny, so-and-so, such-and-such, singular, unmapped, untitled, nameless, uncharted, outlandish, wonderful, unusual, unfamed, unnoted, little-known
- 4 Syllables
- unrenowned, unfamiliar, unexplained, untraveled, unperceived, preposterous, unhonored, exceptional, undetected, unexposed, supernormal, unlikely, supranormal
- 5 Syllables
- undiscovered, unaccountable, unprecedented, whatchamacallit, unascertained, unapprehended, insupposable, innominate, unbelievable, extraordinary, unacknowledged, undesignated, uncelebrated, inconceivable
- 6 Syllables
- unimaginable, inapprehensible