(p. pr. & vb. n.) of Puzzle.

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 incomprehensible inconceivable incredible intricate marvelous miraculous mysterious mystifying outlandish passing strange perplexing perturbing phenomenal problematic prodigious rare remarkable riddling sealed sensational sphinxlike strange striking stupendous unapparent unapprehended unascertained unbeknown uncharted unclassified undisclosed undiscoverable undiscovered undivulged unexplained unexplored unexposed unfamiliar unfathomed unheard unheard-of unidentified unimaginable uninvestigated unique unknowable unknown unperceived unplumbed unprecedented unrevealed unsuspected untouched upsetting virgin wonderful wondrous