1.to use wings to move through the air
2.to travel by plane; if an airplane flies, it moves through the air; to control a plane when it is in the air; to take people or goods somewhere by plane; to use a particular company or travel in a particular class when you are traveling by plane; to go across an area of water or land in a plane
3.to move very fast through the air; to move or go very quickly
4.if time flies, it seems to pass very quickly
5.if you fly a flag, or if it flies, it is on the top of a pole or building; if you fly a kite, or if it flies, you hold it on the end of a long piece of string and it blows around in the wind
6.to be blown around in the wind
7.if ideas or opinions are flying, people are talking about them a lot
8.if an idea or a statement flies, people accept or approve of it
9.to leave a place suddenly in order to escape from a difficult or dangerous situation
10.to hit a fly ball in baseball
flew flown