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Synonyms

fitful

American  
[fit-fuhl] / ˈfɪt fəl /

adjective

  1. coming, appearing, acting, etc., in fits or by spells; recurring irregularly.

    Synonyms:
    haphazard, erratic, intermittent, sporadic

fitful British  
/ ˈfɪtfʊl /

adjective

  1. characterized by or occurring in irregular spells

    fitful sleep

"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

Etymology

Origin of fitful

First recorded in 1595–1605; fit 2 + -ful

Explanation

An adjective that sounds a little like what it means, fitful means stopping and starting, on-again off-again, switching suddenly. I had a fitful night's sleep: I woke up several times throughout the night. A fit is a disturbance that happens without warning, like a tantrum, tremor, or spasm. If something is fitful, it's "full of fits." A night at the opera is a night of fitful pleasures: the arias are cool, but the rest of the show is boring. I've made only fitful progress trying to lose weight, because I lose only a few pounds at a time, and they almost always come right back: my progress is fitful because it comes in "fits and starts."

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Vocabulary lists containing fitful

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.

My entry into the world of wearable fitness, as with much new technology, was grudging, fitful and ultimately all consuming.

From The Wall Street Journal • Mar. 29, 2026

As treatment progresses, if the once fitful sleeper finds they’re sleeping longer and more easily, they extend their time in bed to match their newfound sleep ability.

From Slate • Jul. 19, 2025

We dressed for the day, then returned to bed for a couple hours of fitful sleep, ready to go when we needed to.

From Los Angeles Times • Feb. 28, 2025

It caps weeks of fitful indirect negotiations and sets the stage for a tense period that could determine the course of the war, already in its seventh week.

From Seattle Times • Nov. 22, 2023

I wake up after a fitful night to the sound of urgent whispering on the other side of the door.

From "Linked" by Gordon Korman

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