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.
Trump’s recent clashes with Pope Leo XIV over the Iran war have also unnerved some young conservatives. Charlie Sabgir, The Atlantic, 1 July 2026 But the move appeared to unnerve equity investors, with SpaceX falling more than 13% for the week after a strong post-IPO run. Hugh Leask,joseph Wilkins, CNBC, 29 June 2026 Perhaps coincidentally, OpenAI is considering delaying its IPO, The New York Times reported, with executives unnerved by SpaceX’s volatile debut and stock-market choppiness. Tom Chivers, semafor.com, 26 June 2026 Alan Greenspan, who led the Federal Reserve under four presidents, steering the economy through unprecedented growth but also unnerving crisis, has died. Ted Johnson, Deadline, 22 June 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 4 Jul. 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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