Pronunciation: (flī'ing),[key] —adj. 1. making flight or passing through the air; that flies: a flying insect; an unidentified flying object. 2. floating, fluttering, waving, hanging, or moving freely in the air: flying banners; flying hair. 3. extending through the air.
4. moving swiftly.
5. made while moving swiftly: a flying leap. 6. very hasty or brief; fleeting or transitory: a flying visit; a flying remark. 7. designed or organized for swift movement or action.
8. fleeing, running away, or taking flight: They pursued the flying enemy. 9. Naut.(of a sail) having none of its edges fastened to spars or stays.
—n. the act of moving through the air on wings; flight.
—adv. Naut.without being fastened to a yard, stay, or the like: a sail set flying.