Below are possible answers for the crossword clue Hard to understand.
8 letter answer(s) to hard to understand
ABSTRUSE
difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge; "the professor's lectures were so abstruse that students tended to avoid them"; "a deep metaphysical theory"; "some recondite problem in historiography"
9 letter answer(s) to hard to understand
ENIGMATIC
not clear to the understanding; "I didn't grasp the meaning of that enigmatic comment until much later"; "prophetic texts so enigmatic that their meaning has been disputed for centuries"
resembling an oracle in obscurity of thought; "the oracular sayings of Victorian poets"; "so enigmatic that priests might have to clarify it"; "an enigmatic smile"
6 letter answer(s) to hard to understand
OPAQUE
not clearly understood or expressed
not transmitting or reflecting light or radiant energy; impenetrable to sight; "opaque windows of the jail"; "opaque to X-rays"
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