Definitions:

1. not breathing or able to breathe except with difficulty adjective
   • breathless at thought of what I had done
2. tending to cause suspension of regular breathing adjective
   • a breathless flight

Synonyms:

• breathtaking
• dyspneal
• dyspneic
• dyspnoeal
• dyspnoeic
• inanimate
• pulseless

NearBy Words:

• breathlessly
• breathlessness