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Synonyms

occasional

American  
[uh-key-zhuh-nl] / əˈkeɪ ʒə nl /

adjective

  1. occurring or appearing at irregular or infrequent intervals; occurring now and then.

    an occasional headache.

  2. intended for supplementary use when needed.

    an occasional chair.

  3. pertaining to, arising out of, or intended for the occasion.

    occasional verses.

  4. acting or serving for the occasion or only on particular occasions.

  5. serving as the occasion or incidental cause.


occasional British  
/ əˈkeɪʒənəl /

adjective

  1. taking place from time to time; not frequent or regular

  2. of, for, or happening on special occasions

  3. serving as an occasion (for something)

"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 occasional

First recorded in 1560–70; occasion + -al 1

Explanation

When something happens from time to time on an irregular basis, we say it is an occasional occurrence. For example, you might have an occasional lunch with a friend. If your friend ever picked up the bill, maybe it would happen more often. Occasional is a few steps removed from the Latin cadere, "to fall." So you might think of something occasional as something that happens "to fall" just whenever it happens to fall. Speaking of falling, Voltaire once wrote, "The best government is a benevolent tyranny tempered by an occasional assassination." An occasional election might do in a pinch.

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Vocabulary lists containing occasional

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.

See Examples For:

Western Scotland and western parts of Northern Ireland are likely to remain somewhat cooler due to cloud and occasional rain moving in from the Atlantic.

From BBC Aug. 11, 2026

She remembers when the blocks up to Tin Hau Temple brimmed with food carts, trinkets, and the occasional fortune-teller.

From Salon Aug. 9, 2026

Moderate wine drinkers had a 21% lower risk of dying from cardiovascular disease compared with never or occasional drinkers.

From Science Daily Aug. 9, 2026

My youth was alarmingly idyllic with the hopped fences, bicycle slaloms through traffic and occasional near-misdemeanor mischief.

From Los Angeles Times Aug. 6, 2026

He admitted he needed to take occasional breaks from the intensity of the clinic, but mostly these time-consuming excursions were to set an example for the doctors and nurses who worked beside him.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French

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