Synonyms of abstruse

1 Syllable

ter, deep

2 Syllables

vague, heavy, orphic, hidden, hightech, puzzling, hi-tech, gasser, complex, inkhorn, secret, baffling, cryptic, high-tech, daedal, occult, abstract, learned, subtle, profound, donnish, muddy, schoolish, mystic

3 Syllables

involved, pansophic, daedalean, jesuitic, abstracting, perplexing, mystifying, unfleshly, profoundest, telestic, mysterious, obscure, polymath, heightened, obscurer, technical, pedantic, little-known

4 Syllables

intricate, unapparent, suprahuman, enigmatic, alchemistic, nonmaterial, unphysical, discarnate, nonconcrete, esoteric, acroamatic, unhonored, complicated, intangible, recondite, professorial, overnice, philosophic, nonrational

5 Syllables

unfathomable, supermundane, supramundane, supranatural, metaphysical, astrological, well-educated, technological, enigmatical

6 Syllables

incomprehensible, uninformative, amphibological, methodological