unnerve

verb

un·​nerve ˌən-ˈnərv How to pronounce unnerve (audio)
unnerved; unnerving; unnerves
Synonyms of unnervenext

transitive verb

1
: to deprive of courage, strength, or steadiness
was unnerved by the enemy's overwhelming show of strength
2
: to cause to become nervous : upset
His strange behavior unnerved her.
unnervingly adverb
Choose the Right Synonym for unnerve

unnerve, enervate, unman, emasculate mean to deprive of strength or vigor and the capacity for effective action.

unnerve implies marked often temporary loss of courage, self-control, or power to act.

unnerved by the near collision

enervate suggests a gradual physical or moral weakening (as through luxury or indolence) until one is too feeble to make an effort.

a nation's youth enervated by affluence and leisure

unman implies a loss of manly vigor, fortitude, or spirit.

a soldier unmanned by the terrors of battle

emasculate stresses a depriving of characteristic force by removing something essential.

an amendment that emasculates existing safeguards

Examples of unnerve in a Sentence

Seeing the police in there unnerved me. She was unnerved by his strange manner.
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.
The most recent of these was just two years ago, when eastern and central swathes of the United States experienced the path of totality, the phenomenon that casts daytime into eerie midnight blackness for unnerving lengths of time. Mark Ellwood, Robb Report, 14 Apr. 2026 The Fed targets a 2% inflation rate, and officials will likely be unnerved by a steady increase. Christopher Rugaber, Chicago Tribune, 8 Apr. 2026 Sora unnerved the entertainment industry when it was launched in 2024, with its rapid creation of photo-quality video from text prompts. Tom Chivers, semafor.com, 25 Mar. 2026 The White House is attempting to manage a large-scale military confrontation with an undefined exit strategy—a confrontation that is unnerving markets. Vivian Salama, The Atlantic, 24 Mar. 2026 See All Example Sentences for unnerve

Word History

First Known Use

1603, in the meaning defined at sense 1

Time Traveler
The first known use of unnerve was in 1603

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Cite this Entry

“Unnerve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unnerve. Accessed 21 Apr. 2026.

Kids Definition

unnerve

verb
un·​nerve ˌən-ˈnərv How to pronounce unnerve (audio)
ˈən-
unnerved; unnerving
: to deprive of nerve, courage, or self-control
the accident unnerved me

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