ultracautious

adjective

ul·​tra·​cau·​tious ˌəl-trə-ˈkȯ-shəs How to pronounce ultracautious (audio)
Synonyms of ultracautiousnext
: extremely or extraordinarily cautious
an ultracautious driver

Examples of ultracautious in a Sentence

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That ultracautious approach may well be the right choice for saving lives and preventing another spike in infections. —Shawn Tully, Fortune, 6 June 2020

Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of ultracautious was in 1853

Rhymes for ultracautious

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Browse Nearby Words

ultracasual
ultracautious
ultracentrifugal
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Cite this Entry

“Ultracautious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultracautious. Accessed 3 Nov. 2025.

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