incomprehensible
unclear
uncomprehensible
able
abstruse
ambiguous
baffling
beguiling
bewildering
bothering
confounding
confusing
contradictory
cryptic
discomposing
disconcerting
dismaying
distracting
disturbing
embarrassing
enigmatic
enigmatical
exceptional
extraordinary
fabulous
fantastic
fascinating
incalculable
incognizable
inconceivable
incredible
intricate
marvelous
miraculous
mysterious
mystifying
outlandish
passing strange
perplexing
perturbing
phenomenal
problematic
prodigious
rare
remarkable
riddling
sealed
sensational
sphinxlike
strange
striking
stupendous
guzzling