enigmatic
adjective
[ ˌɛnɪɡˈmatɪk ]
• difficult to interpret or understand; mysterious.
• "he took the money with an enigmatic smile"
Similar:
mysterious,
puzzling,
hard to understand,
mystifying,
inexplicable,
baffling,
perplexing,
bewildering,
confusing,
impenetrable,
inscrutable,
incomprehensible,
unexplainable,
unfathomable,
indecipherable,
Delphic,
oracular,
ambiguous,
equivocal,
paradoxical,
sibylline,
unaccountable,
insoluble,
obscure,
elliptical,
oblique,
arcane,
abstruse,
recondite,
secret,
esoteric,
occult,
cryptic,
as clear as mud,
Origin:
early 17th century: from French énigmatique or late Latin aenigmaticus, based on Greek ainigma ‘riddle’ (see enigma).