undeterred

adjective

un·​de·​terred ˌən-di-ˈtərd How to pronounce undeterred (audio)
-dē-
Synonyms of undeterrednext
: not discouraged or prevented from acting : not deterred
a politician undeterred by criticism
So far, Dallas, San Antonio and El Paso have rejected his offer … But Pickens, ever the wheeler-dealer, is undeterred.Karen Breslau

Examples of undeterred in a Sentence

Recent Examples on the Web
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.
Monarchs are usually undeterred by the presence of milkweed aphids and continue to lay eggs on milkweed plants even if aphids are around. Lauren Landers, Better Homes & Gardens, 13 June 2026 Kuwait’s sovereign wealth fund is backing a new $10 billion AI infrastructure venture alongside KKR, Nvidia, and power company Vistra, the latest sign that Gulf investors are undeterred by the war in deploying capital globally. Mohammed Sergie, semafor.com, 11 June 2026 Despite jumping to an early lead in the first quarter, getting goals from Liza O’Brien and Rodgers to take a 2-1 advantage, Hingham was undeterred heading into the second quarter. Justin Barrasso, Boston Herald, 9 June 2026 But officials remain undeterred in their plans to construct the quarantine facility on an air base in Nanyuki. Ari Daniel, NPR, 9 June 2026 See All Example Sentences for undeterred

Word History

First Known Use

1607, in the meaning defined above

Time Traveler
The first known use of undeterred was in 1607

Browse Nearby Words

Cite this Entry

“Undeterred.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undeterred. Accessed 16 Jun. 2026.

More from Merriam-Webster on undeterred

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster