Spent with labor or violent action; out of breath.
- Breathing with difficulty; gasping: was breathless from running.
- Marked by the suspension of regular breathing, as from tension or excitement: a breathless audience.
- Causing or capable of causing the suspension of regular breathing; tense or exciting: a breathless flight.
- Not breathing; without breath.
- Having no air or breeze; still: a breathless summer day.