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Synonyms

unavoidable

American  
[uhn-uh-voi-duh-buhl] / ˌʌn əˈvɔɪ də bəl /

adjective

  1. unable to be avoided; inevitable.

    an unavoidable delay.

    Synonyms:
    certain, sure, fated, unpreventable, inescapable

unavoidable British  
/ ˌʌnəˈvɔɪdəbəl /

adjective

  1. unable to be avoided; inevitable

  2. law not capable of being declared null and void

"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 unavoidable

1570–80; un- 1 + avoidable ( def. )

Explanation

Use the adjective unavoidable to describe something that you can't escape or avoid. Going to your family reunion is unavoidable if there's no way for you to get out of it. Obligations are unavoidable, since they are responsibilities that have to be honored. Letting your grandmother pinch your cheek is unavoidable, and paying your rent is also unavoidable. As you get older, it's unavoidable that your knees will get stiffer — there is no way to avoid having this happen. Unavoidable comes from the verb avoid, which is rooted in the Anglo-French avoider, "to clear out or withdraw oneself."

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Vocabulary lists containing unavoidable

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:

For all of sodium-ion batteries’ strengths, there is one arena where lithium-ion batteries are still tops, owing to unavoidable physical realities: the amount of energy they can store per gram.

From The Wall Street Journal Aug. 7, 2026

The operator of the plant, whose four reactors built with Soviet-era technology are cooled by water pumped from the Danube, warned earlier that a shutdown was "unavoidable".

From Barron's Jul. 31, 2026

To the extent that significant unavoidable and genuinely catastrophic physical and financial damage to Florida crops caused by severe weather has not been addressed by other programs, federal help may be warranted.

From MarketWatch Jul. 24, 2026

Injuries, such as those to Olympic gold-medal winning gymnast Max Whitlock and Australia's Olympic backstroke champion Kaylee McKeown, are unavoidable and unfortunate.

From BBC Jul. 23, 2026

“All right, I’m sorry I called her a screech owl,” Norton said, trying to avoid the unavoidable.

From "The Pigman" by Paul Zindel

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