I. fly ‧ ing 1 /ˈflaɪ-ɪŋ/ BrE AmE adjective
1 . [only before noun] able to fly SYN winged :
a story about a flying horse
2 . with flying colours if you pass a test with flying colours, you are very successful in it
3 . a flying visit a quick visit because you do not have much time
4 . a flying start a very good or successful start:
The appeal has got off to a flying start, with over £200,000 raised in the first week.
5 . a flying jump/leap a long high jump made while you are running:
He took a flying leap and just managed to clear the stream.
II. flying 2 BrE AmE noun [uncountable]
the activity of travelling by plane:
Quite a lot of people are still nervous about flying.