Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “fly”

fly

verb uk   /flaɪ/ (flew, flown) us  

fly verb (TRAVEL)

A2 [I] When a bird, insect, or aircraft flies, it moves through the air: The poor bird couldn't fly because it had a broken wing. As soon as it saw us, the bird flew away/off. A1 [I or T] to travel by aircraft, or to go somewhere or cross something in an aircraft: We flew to Paris. We fly from/out from/out of Heathrow, but fly back (in)to Gatwick. We are flying at a height of 9,000 metres. She has to fly thousands of miles every year for her job. Who was the first person to fly (across) the Atlantic? [T] to use a particular company to travel by aircraft: I usually fly Lufthansa/Japan Airlines/El Al. C2 [T] to transport people or goods by aircraft: The restaurant flies its fish in daily from Scotland. We will be flying 100 badly wounded civilians out of the battle zone tonight. B2 [I or T] to control an aircraft: I learned to fly when I was in Australia.

fly verb (MOVE QUICKLY)

[I] to move or go quickly: With the explosion, glass flew across the room. Cathy flew by/past me in the corridor. My holiday seems to have flown (by) (= passed very quickly) this year. The door/window suddenly flew open.informal Anyway, I must fly (= leave quickly) - I didn't realize how late it was!

fly verb (WAVE)

[I or T] to wave or move about in the air while being fixed at one end: The ship was flying the Spanish flag. The flag was flying at half-mast (= brought down to a point half way down the pole) to mark the death of the president. There isn't really enough wind to fly a kite today.

fly

noun [C] uk   /flaɪ/ us  

fly noun [C] (INSECT)

B1 a small insect with two wings

fly noun [C] (TROUSERS)

(UK also flies) the opening at the front of a pair of trousers: Hey Chris, your fly's undone!

fly noun [C] (FISHING)

a hook (= curved piece of wire) with coloured threads fastened to it, attached to the end of a fishing line to attract fish

fly noun [C] (TENT)

mainly US for flysheet
(Definition of fly from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of fly?
Browse related topics

You are looking at an entry to do with Difficult things and people, but you might be interested in these topics from the Easy and difficult topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “fly” in other dictionaries

Word of the Day

from the word go

from the start of something

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More