mysterious

Mysterious is a synonym of dark.

As adjectives the difference between mysterious and dark

is that mysterious is of unknown origin while dark is having an absolute or (more often) relative lack of light.

As a noun dark is

a complete or (more often) partial absence of light.

Mysterious is a synonym of sphinxlike.

As adjectives the difference between mysterious and sphinxlike

is that mysterious is of unknown origin while sphinxlike is like a sphinx, or like that of a sphinx.

Recondite is a related term of mysterious.

As adjectives the difference between recondite and mysterious

is that recondite is (of areas of study and literature) difficult, obscure; particularly: while mysterious is of unknown origin.

As a verb recondite

is to hide, cover up, conceal.

As adjectives the difference between tricky and mysterious

is that tricky is hard to deal with, complicated while mysterious is of unknown origin.

As adjectives the difference between mysterious and complicated

is that mysterious is of unknown origin while complicated is difficult or convoluted.

As a verb complicated is

past tense of complicate.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective mysterious is

of unknown origin.

As adjectives the difference between uncanny and mysterious

is that uncanny is strange, and mysteriously unsettling (as if supernatural); weird while mysterious is of unknown origin.

As adjectives the difference between strange and mysterious

is that strange is not normal; odd, unusual, surprising, out of the ordinary while mysterious is of unknown origin.

As a verb strange

is to alienate; to estrange.

As a noun strange

is vagina.

As a proper noun Strange

is {{surname}.

As adjectives the difference between shadowy and mysterious

is that shadowy is in shadow; darkened by shadows while mysterious is of unknown origin.

As adjectives the difference between secretive and mysterious

is that secretive is having an inclination to secrecy while mysterious is of unknown origin.