Synonyms:
- 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