breathtaking

from WordNet (r) 3.0 (2006)

breathtaking
    adj 1: tending to cause suspension of regular breathing; "a
           breathless flight"; "breathtaking adventure" [syn:
           {breathless}, {breathtaking}]

from Moby Thesaurus II by Grady Ward, 1.0

58 Moby Thesaurus words for "breathtaking":
      agitating, amazing, astonishing, astounding, charged,
      cliff-hanging, confounding, disquieting, distracting, disturbing,
      electric, exciting, exhilarating, eye-opening, galvanic, heady,
      heart-expanding, heart-stirring, heart-swelling, heart-thrilling,
      impressive, inflammatory, intoxicating, jarring, jolting,
      maddening, mind-blowing, mind-boggling, moving, overcoming,
      overmastering, overpowering, overwhelming, perturbing, piquant,
      provocative, provoking, ravishing, soul-stirring, spectacular,
      spirit-stirring, staggering, startling, stimulating, stimulative,
      stirring, striking, stunning, surprising, suspenseful, suspensive,
      tantalizing, telling, thrilling, thrilly, troubling, unsettling,
      upsetting