1.
If you are breathless, you have difficulty in breathing properly, for example because you have been running or because you are afraid or excited.
I was a little breathless and my heartbeat was bumpy and fast...
ADJ: usu v-link ADJ
• breathlessly
'I'll go in,' he said breathlessly.
ADV: usu ADV with v, also ADV adj
• breathlessness
Asthma causes wheezing and breathlessness.
N-UNCOUNT
2.
You use breathless for emphasis when you are describing feelings of excitement or exciting situations.
Technology has advanced at a breathless pace.
...the breathless excitement of early 1988, when hundreds and thousands of citizens gathered nightly for political meetings.
ADJ: ADJ n [emphasis]
• breathlessly
Nancy waited breathlessly for him to go on.
ADV: usu ADV with v, also ADV adj