say it: BRETH-tay-king
breathtaking is an adjective meaning "tending to cause suspension of regular breathing". It carries one recorded sense.
tending to cause suspension of regular breathing
“a breathless flight”
“breathtaking adventure”
Definitions, synonyms and semantic relations for breathtaking come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.