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Synonyms

flighty

American  
[flahy-tee] / ˈflaɪ ti /

adjective

flightier, flightiest
  1. given to flights of fancy; capricious; frivolous.

    Synonyms:
    irresponsible, undependable, mercurial
  2. slightly delirious; light-headed; mildly crazy.

  3. irresponsible.

    He said I was too flighty to be a good supervisor.

  4. Archaic. swift or fleet.


flighty British  
/ ˈflaɪtɪ /

adjective

  1. frivolous and irresponsible; capricious; volatile

  2. mentally erratic, unstable, or wandering

  3. flirtatious; coquettish

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of flighty

First recorded in 1545–55; flight 1 + -y 1

Explanation

If you're flighty, you're flaky and a little bit thoughtless. Flighty people change their minds and plans at the drop of a hat. Flighty people are unreliable and irresponsible — they often forget appointments, show up late, and change their minds about important things at the last minute. If you need help with something important, don't count on a flighty person for help. The original meaning of flighty, in the 1500's, was "swift" or "speedy." By the late 1700's, it had come to mean "fickle or frivolous," and was often used to describe skittish horses.

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Vocabulary lists containing flighty

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In her run-down Victorian house, she produces a literary journal, Vista, and provides lodging to four tenants: Robbie, a struggling writer; Georgina, a flighty debutante; Mina, an ambitious cinema usherette; and Saul, a wartime refugee.

From The Wall Street Journal • May 15, 2026

Undertaking a new challenge every few years can show employers you’re ambitious, but not flighty.

From MarketWatch • Dec. 22, 2025

But it also turns him into a lonely, rigidly neoclassicist oddball who scorns his professors, prefers books to his flighty peers and still can’t seem to take care of himself.

From Los Angeles Times • Jul. 25, 2025

As Rickey, a flighty self-starter who just can’t seem to get started, Angarano is wildly funny and also painfully familiar.

From Salon • Apr. 11, 2025

“My opinion is, it’s a sedan-chair. She’s flighty, you know,—very flighty,—quite flighty enough to pass her days in a sedan-chair.”

From "Great Expectations" by Charles Dickens

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