Skip to content
WORDS, MADE CLEAR.
Your everyday English companion

English dictionary

fly Meaning & Definition

ˈflī

What Does Fly Mean?

Fly is a verb that means to move in or pass through the air with wings. It is also used to mean to move through the air or before the wind or through outer space. As a noun, it means the action or process of flying. As a noun, it means a winged insect.

Fly: Key Facts

Part of speechverb, noun, adjective, geographical name
Pronunciation/ˈflī/
Syllables1
Synonymsflee, pilot and vanish
Antonymsabide, dwell and hang around
Pluralflies
Comparative / superlativeflier, fliest
Verb formsflies, flying, flew, flown

Fly Definition (Verb)

  1. to move in or pass through the air with wings

    bees flying around the hive

  2. to move through the air or before the wind or through outer space

    bullets flying in all directions

  3. to float, wave, or soar in the air

    flags flying at half-mast

  4. to take flight : flee

    But when the Duke is slain they'll quickly fly.

  5. to fade and disappear : vanish

    mists flying before the morning sun

  6. to move, pass, or spread quickly

    rumors were flying

  7. to be moved with sudden extreme emotion

    flew into a rage

  8. to seem to pass quickly

    The time simply flew.

  9. to become expended or dissipated rapidly

    Their lottery winnings flew.

  10. to operate or travel in an airplane or spacecraft

    They flew to Florida for their vacation.

  11. to work successfully : win popular acceptance

    … knew … a pure human-rights approach would not fly.

  12. to cause to fly, float, or hang in the air

    flying a kite

  13. to operate (something, such as a balloon, aircraft, rocket, or spacecraft) in flight
  14. to journey over or through by flying

    flew the Atlantic

  15. to flee or escape from

    The bird had flown its cage.

  16. avoid, shun

    fly such a talkative person

  17. to transport by aircraft or spacecraft

    Supplies were flown to the disaster area.

Fly as a Noun

  1. the action or process of flying : flight
  2. a device consisting of two or more radial vanes capable of rotating on a spindle to act as a fan or to govern the speed of clockwork or very light machinery
  3. flywheel
  4. the space over a theater stage where scenery and equipment can be hung
  5. something attached by one edge: such as
  6. a garment closing concealed by a fold of cloth extending over the fastener
  7. the length of an extended flag from its staff or support
  8. the outer or loose end of a flag
  9. a baseball hit high into the air
  10. flyleaf
  11. a sheet of material (such as canvas) that is attachable to a tent for use as a double top or as a rooflike extension
  12. a football pass pattern in which the receiver runs straight downfield

Verb

  1. to hit a fly in baseball

Noun

  1. a winged insect
  2. any of a large order (Diptera) of winged or rarely wingless insects (such as the housefly, mosquito, or gnat) that have the anterior wings functional, the posterior wings reduced to halteres, and segmented often headless, eyeless, and legless larvae compare maggot
  3. a large stout-bodied fly
  4. a fishhook dressed (as with feathers or tinsel) to suggest an insect

Fly as an Adjective

  1. impressively good, attractive, or stylish

    The singer was spotted out and about … looking fly as ever in an all-black hooded outfit. / … the Destiny's Child alum knew she was looking flyer than ever, stopping to pose for a few extra flirty photo opportunities as she arrived. / Mary J. [Blige] had a tough job following up on one of the flyest debut albums in the hip-hop nation.

  2. keen, artful

    But Shakespeare never really fell foul of the secret police. He was too fly for that.

Fly as a Geographical Name

  1. river 650 miles (1046 kilometers) long in southern New Guinea flowing southeast into the Gulf of Papua

Synonyms of Fly

Fly synonyms and antonyms →

Antonyms of Fly

Fly in a Sentence

Birds of passage fly to warmer regions as it gets colder in winter.

The probe flew beyond the solar system.

The Concorde flew from Paris to New York faster than any other passenger airplane.

It takes about eleven hours to fly from Frankfurt to Hong Kong.

The little fairy flew home on the back of her friend, the giant eagle.

My airline needs me to get clearance before I can fly again.

If we want to fly today, we need to leave for the airport right now.

This species flies from late summer until frost.

Let's see if that idea flies.

You know, I just don't think that's going to fly. Why don't you spend your time on something better?

Charles Lindbergh flew his airplane The Spirit of St. Louis across the Atlantic ocean.

Birds fly their prey to their nest to feed it to their young.

Each day the postal service flies thousands of letters around the globe.

We flew the kids out to see their grandparents.

This is the first time I flew the Pacific.

I'm hoping to fly the London-New York route so I can see the Big Apple again.

When the wind picked up, her hair flew back behind her head.

In her dance, she holds her hands above her head to fly those colorful ribbons in the air.

Why don’t you go outside and fly kites, kids? The wind is just perfect.

We flew the state flag under the national flag.

The flag flew at half-mast.

The American flag flies in every state and territory.

She's really letting the freak flag fly.

Only one candidate is willing to fly the conservative flag boldly.

The French flag flew over Louisiana until 1803.

The king endeavored to fly his nation's flag over new territories.

The family fortune flew in a few short years.

The mist flew by noon.

He flew down the hill on his bicycle.

It's five o'clock already. Doesn't time fly?

a door flies open

a bomb flies apart

His career is really flying at the moment.

One moment the company was flying high, the next it was on its knees.

I must fly the temptation of drink.

My bird flew the cage.

Fly, my lord! The enemy are upon us!

There was a good wind, so I decided to give the kite a fly.

Ha-ha! Your fly's undone!

your fly's undone/down

your flies are undone/down (same meaning)

Related terms: flyman

Jones flied to right in his last at-bat.

He's pretty fly.

The bullet barely grazed the wild fowl's fly.

Ha-ha! Your flies are undone!

a door flies open;  a bomb flies apart

bees flying around the hive

bullets flying in all directions

flags flying at half-mast

But when the Duke is slain they'll quickly fly.

mists flying before the morning sun

rumors were flying

flew into a rage

The time simply flew.

Their lottery winnings flew.

They flew to Florida for their vacation.

… knew … a pure human-rights approach would not fly.

flying a kite

flew the Atlantic

The bird had flown its cage.

fly such a talkative person

Supplies were flown to the disaster area.

The singer was spotted out and about … looking fly as ever in an all-black hooded outfit.

… the Destiny's Child alum knew she was looking flyer than ever, stopping to pose for a few extra flirty photo opportunities as she arrived.

Mary J. [Blige] had a tough job following up on one of the flyest debut albums in the hip-hop nation.

But Shakespeare never really fell foul of the secret police. He was too fly for that.

the Wright brothers realized mankind's age-old wish to fly

you must fly to safety immediately

flew down the concourse to catch his flight

no one in the movies ever thinks to fly from the ax murderer and immediately call the police

the morning mist had flown, and a sparkling sea lay before us

the familiar Because I said so! is a reason that won't fly with most teenagers

The singer was spotted out and about … looking fly as ever in an all-black hooded outfit. / … the Destiny's Child alum knew she was looking flyer than ever, stopping to pose for a few extra flirty photo opportunities as she arrived. / Mary J. [Blige] had a tough job following up on one of the flyest debut albums in the hip-hop nation.

Word Forms & Grammar

flew

flown

fly·ing

flied

flies

fly

flying

fly·er

fly·est

flyer

flyest

look fly

looked fly

looking fly

looks fly

Fly

fly (plural flies)

fly (third-person singular simple present flies, present participle flying, simple past flew, past participle flown)

fly (plural flys or flies)

fly (third-person singular simple present flies, present participle flying, simple past and past participle flied or flyed)

fly (comparative flier or flyer, superlative fliest or flyest)

Words That Rhyme With Fly

Origin of Fly

Origin 1: Middle English flien, from Old English flēogan; akin to Old High German fliogan to fly and probably to Old English flōwan to flow

Origin 2: see fly:1

Origin 3: Middle English flie, from Old English flēoge; akin to Old High German flioga fly, Old English flēogan to fly

Origin 4: probably from fly:1

Origin 5: From Middle English fflye, flehe, flei, fleie, fley, fleye, fleȝe, flie, fliȝe, flye, vliȝe, vlye, from Old English flēge, flēoge, flīeġe (“a fly”), from Proto-West Germanic *fleugā, from Proto-Germanic *fleugǭ (“a fly”), from Proto-Indo-European *plewk- (“to flow, fly, run; to splash”), enlargement of *plew- (“to flow, fly, run”).

Origin 6: From Middle English flei, fley, fleye, fleȝhenn, flien, fliȝe, flyen, flyyn, from Old English flēgan, flēogan, from Proto-West Germanic *fleugan, from Proto-Germanic *fleuganą (“to fly”), from Proto-Indo-European *plewk- (“to flow, fly, run; to splash”), enlargement of *plew- (“to flow, fly, run”). Compare Etymology 1.

Origin 7: From Middle English flye (“flying, flight”), from Old English flyġe (“flying, flight”), from Proto-Germanic *flugiz.

Origin 8: Uncertain; probably from the verb or noun.

First Known Use

before 12th centuryi

before 12th century

1893

1664

How to Pronounce Fly

You say fly as /ˈflī/. It has 1 syllable.

Quick Answers About Fly

Is fly a verb or a noun?

Fly is mainly used as a verb, but it can also be used as a noun, an adjective and a geographical name.

What is another word for fly?

Words with a similar meaning to fly include flee, pilot and vanish. See the full list of fly synonyms and antonyms.

What is the opposite of fly?

Words opposite in meaning to fly are abide, dwell, hang around and linger.

What is the plural of fly?

The plural of fly is flies.

What is the past tense of fly?

The past tense of fly is flew and the past participle is flown. The present participle is flying.

More About Fly On Meaning Stash

Fly In Our Articles

Trending On Meaning Stash This Week

Merriam-WebsterReference content from Merriam-Webster’s Collegiate® Dictionary and Collegiate® Thesaurus © Merriam-Webster Inc.Data credits & licensing