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fly
1[ flahy ]
noun
- Also called true fly. any of numerous two-winged insects of the order Diptera, especially of the family Muscidae, as the common housefly.
- Angling. a fishhook dressed with hair, feathers, silk, tinsel, etc., so as to resemble an insect or small fish, for use as a lure or bait.
- Fly, Astronomy. the constellation Musca.
fly
2[ flahy ]
verb (used without object)
- to move through the air using wings.
- to be carried through the air by the wind or any other force or agency:
bits of paper flying about.
- to float or flutter in the air:
flags flying in the breeze.
- to travel in an aircraft or spacecraft.
- to move suddenly and quickly; start unexpectedly:
He flew from the room.
- to change rapidly and unexpectedly from one state or position to another:
The door flew open.
- to flee; escape.
- to travel in space:
The probe will fly past the planet.
- to move or pass swiftly:
How time flies!
- to move with an aggressive surge:
A mother fox will fly at anyone approaching her kits.
- Baseball.
- to bat a fly ball:
He flied into right field.
- to fly out.
- Informal. to be acceptable, believable, or feasible:
It seemed like a good idea, but it just wouldn't fly.
verb (used with object)
- to make (something) float or move through the air:
to fly a kite.
- to operate (an aircraft, spacecraft, or the like).
- to hoist aloft, as for display, signaling, etc.:
to fly a flag.
- to operate an aircraft or spacecraft over:
to fly the Pacific.
- to transport or convey by air:
We fly merchandise to Boston.
- to escape from; flee:
to fly someone's wrath.
- Theater.
- to hang (scenery) above a stage by means of rigging supported by the gridiron.
- to raise (scenery) from the stage or acting area into the flies.
noun
- a strip of material sewn along one edge of a garment opening for concealing buttons, zippers, or other fasteners.
- a flap forming the door of a tent.
- Also called tent fly. a piece of canvas extending over the ridgepole of a tent and forming an outer roof.
- an act of flying; a flight.
- the course of a flying object, as a ball.
- Baseball. fly ball.
- British. a light, covered, public carriage drawn by one horse; hansom; hackney coach.
- Machinery. a horizontal arm, weighted at each end, that pivots about the screw of a press so that when the screw is lowered the momentum of the fly will increase the force of the press.
- Also called fan. Horology. a regulating device for chime and striking mechanisms, consisting of an arrangement of vanes on a revolving axis.
- Printing.
- (in some presses) the apparatus for removing the printed sheets to the delivery table.
- Also called flyboy. (formerly) a printer's devil employed to remove printed sheets from a press.
- (on a flag)
- the horizontal dimension of a flag as flown from a vertical staff.
- the end of the flag farther from the staff. Compare hoist ( def 7 ).
- flies. Also called fly loft. Theater. the space above the stage used chiefly for storing scenery and equipment.
- Nautical. a propellerlike device streamed to rotate and transfer information on speed to a mechanical log.
verb phrase
- Baseball, Softball. to be put out by hitting a fly ball that is caught by a player of the opposing team.
fly
3[ flahy ]
adjective
- Slang. stylish, attractive, sophisticated, etc.:
She put on silver stilettos, her flyest outfit, and plenty of bling, ready to party till dawn.
Adults generally found him sly and conniving, but his teenage followers were convinced he was fly.
fly
1/ flaɪ /
noun
- any dipterous insect, esp the housefly, characterized by active flight See also horsefly blowfly tsetse fly crane fly
- any of various similar but unrelated insects, such as the caddis fly, firefly, dragonfly, and chalcid fly
- (in southern Africa) an area that is infested with the tsetse fly
- drink with the flies slang.to drink alone
- fly in amberSee amber
- fly in the ointment informal.a slight flaw that detracts from value, completeness, or enjoyment
- fly on the walla person who watches others, while not being noticed himself or herself
- there are no flies on him informal.he is no fool
fly
2/ flaɪ /
verb
- intr (of birds, aircraft, etc) to move through the air in a controlled manner using aerodynamic forces
- to travel over (an area of land or sea) in an aircraft
- to operate (an aircraft or spacecraft)
- to float, flutter, or be displayed in the air or cause to float, etc, in this way
to fly a kite
they flew the flag
- to transport or be transported by or through the air by aircraft, wind, etc
- intr to move or be moved very quickly, forcibly, or suddenly
she came flying towards me
the door flew open
- intr to pass swiftly
time flies
- to escape from (an enemy, place, etc); flee
he flew the country
- intr; may be foll by at or upon to attack a person
- intr to have a sudden outburst
he flew into a rage again
- intr (of money, etc) to vanish rapidly
- tr falconry (of hawks) to fly at (quarry) in attack
peregrines fly rooks
- tr theatre to suspend (scenery) above the stage so that it may be lowered into view
- fly a kite
- to procure money by an accommodation bill
- to release information or take a step in order to test public opinion
- fly high informal.
- to have a high aim
- to prosper or flourish
- fly in the face ofSee face
- fly off the handle informal.to lose one's temper
- fly the coop informal.to leave suddenly
- go fly a kite informal.go away
- let fly informal.
- to lose one's temper (with a person)
she really let fly at him
- to shoot or throw (an object)
noun
- Also calledfly front often plural a closure that conceals a zip, buttons, or other fastening, by having one side overlapping, as on trousers
- Also calledfly sheet
- a flap forming the entrance to a tent
- a piece of canvas drawn over the ridgepole of a tent to form an outer roof
- a small air brake used to control the chiming of large clocks
- the horizontal weighted arm of a fly press
- the outer edge of a flag
- the distance from the outer edge of a flag to the staff Compare hoist
- a light one-horse covered carriage formerly let out on hire
- an attempt
I'll give it a fly
- printing
- a device for transferring printed sheets from the press to a flat pile
- Also calledflyhand a person who collects and stacks printed matter from a printing press
- a piece of paper folded once to make four pages, with printing only on the first page
- plural theatre the space above the stage out of view of the audience, used for storing scenery, etc
- rare.the act of flying
fly
3/ flaɪ /
adjective
- knowing and sharp; smart
- furtive or sneaky
noun
- on the flyin secret; sneakily
fly
/ flī /
- Any of numerous insects of the order Diptera, having one pair of wings and large compound eyes. Flies include the houseflies, horseflies, and mosquitoes.
- See more at dipteran
Derived Forms
- ˈflyless, adjective
- ˈflyable, adjective
Other Words From
- fly·less adjective
Word History and Origins
Origin of fly1
Origin of fly2
Word History and Origins
Origin of fly1
Origin of fly2
Origin of fly3
Idioms and Phrases
- fly blind,
- to operate an airplane, especially during conditions of poor visibility, relying solely on instruments for guidance.
- to proceed with a complex task in the absence of directions by using one's own ability to determine what procedures to follow.
- fly in the face of, to act in defiance of (authority, custom, etc.). Also fly in the teeth of.
- fly in the ointment, a detrimental factor; detraction:
If there's one fly in the ointment, it's that there may not be the money to finish the job.
- go fly a kite, Slang.
- to put up with or get used to matters as they stand.
- to confine oneself to one's own affairs.
- to cease being a nuisance:
If she gets mad enough she'll tell me to go fly a kite.
- let fly,
- to hurl or propel (a weapon, missile, etc.).
- to give free rein to an emotion:
She let fly with a barrage of angry words.
- on the fly,
- during flight; before falling to the ground:
to catch a baseball on the fly.
- hurriedly; without pausing:
We had dinner on the fly.
- fly off the handle. handle ( def 16 ).
Synonym Study
Example Sentences
Andrew still plans to fly to Davos in Switzerland for the World Economic Forum on January 21, representing the British government.
After some animated debate at the conference, Lelaie declared, with some frustration, “If you push on the stick, you will fly.”
Thus it attracted a wave of cowboy operators to fly passengers and cargo between cities.
Many of these are small operations that would never, in any case, fly beyond Indonesia.
Air traffic controllers and pilots together take great care not to fly in conditions that can jeopardize an airplane.
Aristide darted off like a dragon-fly in the sunshine, as happy as a child with a new toy.
“Confound it, no;” rejoined Mr. Simmery, stopping for an instant to smash a fly with the ruler.
They must be kept away from flies—a fly can work havoc with a film in a few minutes.
The non-elastic character of water made it unsuitable for a machine requiring a fly-wheel.
What of the infinite goodness of God in teaching the grub of the ichneumon-fly to eat up the cabbage caterpillar alive?
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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