breathless
adjective
not breathing or able to breathe except with difficulty
“breathless at thought of what I had done”
“breathless from running”
Oppositesbreathingtending to cause suspension of regular breathing
“a breathless flight”
“breathtaking adventure”
Synonymsbreathtakingappearing dead; not breathing or having no perceptible pulse
“an inanimate body”
“pulseless and dead”
Source: WordNet 3.1, Princeton University
