suspenseful (adj.)
- agitated
- agitating
- anxious
- apprehensive
- bothered
- breathtaking
- charged
- cliff-hanging
- concerned
- conditional
- conditioned
- contingent
- dependent
- disquieted
- disquieting
- disturbed
- disturbing
- electric
- exciting
- exhilarating
- fearful
- foreboding
- galvanic
- heady
- impressive
- inflammatory
- intoxicating
- jarring
- jolting
- maddening
- mind-blowing
- moving
- nervous
- open
- overanxious
- overpowering
- overwhelming
- pendent
- pending
- perturbed
- perturbing
- piquant
- provocative
- provoking
- ravishing
- solicitous
- soul-stirring
- stimulating
- stimulative
- stirring
- strained
- striking
- suspensive
- tantalizing
- telling
- tense
- thrilling
- troubled
- troubling
- uncounted
- undecided
- undetermined
- uneasy
- unestablished
- unfixed
- unsettled
- untold
- upsetting
- zealous