flies;
flew
/ˈfluː/
;
flown
/ˈfloʊn/
;
flying
flies;
flew
/ˈfluː/
;
flown
/ˈfloʊn/
;
flying
Britannica Dictionary definition of FLY
1
[no object]
:
to move through the air with wings
2
[no object]
:
to move through the air especially at a high speed
-
We watched as clouds flew across the sky.
-
Waves crashed on the rocks and spray flew up into the air.
-
Bullets were flying in all directions.
-
He tripped and went flying (through the air).
—
often used figuratively
3
a
:
to control an airplane, helicopter, etc., as it moves through the air
:
to be the pilot of an aircraft
[+ object]
-
fly a plane
-
He flies jets.
[no object]
-
He learned to fly while he was in the Air Force.
-
She flies for a major airline.
-
She's taking flying lessons.
b
[+ object]
:
to journey over (something, such as an ocean) by flying an airplane
4
a
[no object]
:
to travel in an aircraft or spacecraft
-
They flew to California for vacation.
-
I'm flying to Canada to visit my family.
-
He insists on flying first-class.
-
A doctor flew in from the mainland.
-
She flew on a shuttle mission last year.
b
[+ object]
:
to travel by flying on (a particular airline)
c
[+ object]
:
to carry (someone or something) to a place in an aircraft
-
Supplies were flown to the disaster area.
-
They fly cargo around the world.
-
A doctor was flown in from the mainland.
5
a
:
to show (something, such as a flag) by putting it in a high place
[+ object]
[no object]
—
see also fly the flag at 1flag
b
[+ object]
:
to cause (something, such as a kite) to fly in the air
—
see also go fly a kite at kite
6
[no object]
:
to move or go quickly
-
She flew to the window when she heard the car.
-
The door flew open and he rushed into the room.
-
I flew up the stairs to answer the phone.
-
I must fly or I'll be late for my appointment.
-
That horse really flies.
-
Cars were flying past us on the highway.
7
[no object]
:
to move freely
8
[no object]
:
to pass very quickly
9
[no object]
chiefly US, informal
:
to be approved or accepted
—
usually used in negative statements
as the crow flies
—
see 1crow
fly at
[phrasal verb]
fly at (someone)
:
to attack (someone) with sudden violence
fly high
informal
1
:
to be very happy and excited
fly in the face of
also US
fly in the teeth of
:
to fail completely to agree with (something)
:
to oppose or contradict (something) directly
-
His explanation flies in the face of the evidence. [=his explanation is not supported at all by the evidence]
-
a theory that flies in the face of logic [=a theory that is not logical at all]
-
a policy that flies in the face of reason [=a policy that is extremely unreasonable]
fly into
[phrasal verb]
fly into (something)
:
to be overcome by (sudden extreme emotion)
fly off the handle
informal
:
to lose control of your emotions
:
to become very angry
fly the coop
informal
:
to leave suddenly or secretly
:
to escape or go away
let fly
informal
or
let fly with
:
to throw (something) in a forceful way
—
often used figuratively
2
fly
/ˈflaɪ/
verb
flies;
flied;
flying
flies;
flied;
flying
Britannica Dictionary definition of FLY
[no object]
baseball
3
fly
/ˈflaɪ/
noun
plural
flies
plural
flies
Britannica Dictionary definition of FLY
[count]
1
:
a small insect that has two wings
-
swat a fly
-
the buzz of a fly
2
:
a hook that is designed to look like an insect and that is used for catching fish
—
see also fly-fishing
drop like flies
informal
also
die like flies
◊ If people or animals are dropping/dying like flies, they are dropping or dying very quickly in large numbers.
◊ These phrases are often used figuratively.
fly in the ointment
:
someone or something that causes problems
fly on the wall
:
someone who secretly watches or listens to other people
no flies on
chiefly British, informal
◊ If there are no flies on you, you are a smart person who is quick to understand things and not easily fooled.
wouldn't hurt a fly
◊ Someone who wouldn't hurt a fly is too gentle to want to hurt anyone.
4
fly
/ˈflaɪ/
noun
plural
flies
plural
flies
Britannica Dictionary definition of FLY
[count]
1
:
an opening in a piece of clothing (such as a pair of trousers, shorts, or a skirt) that is hidden by a fold of cloth and that is closed by a zipper or a row of buttons
—
sometimes plural in British English
—
see color picture on this page
on the fly
1
:
quickly and often without preparation
2
:
through the air
:
without hitting the ground
3
:
while something else is also being done on a computer