nervous
Americanadjective
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highly excitable; unnaturally or acutely uneasy or apprehensive.
to become nervous under stress.
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of or relating to the nerves.
nervous tension.
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affecting the nerves.
nervous diseases.
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experiencing, characterized by, or originating in a nervous system disorder.
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characterized by or attended with acute uneasiness or apprehension.
a nervous moment for us all.
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having or containing nerves.
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sinewy or strong.
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Archaic. vigorous or spirited.
adjective
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very excitable or sensitive; highly strung
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(often foll by of) apprehensive or worried
I'm nervous of traffic
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of, relating to, or containing nerves; neural
nervous tissue
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affecting the nerves or nervous tissue
a nervous disease
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archaic active, vigorous, or forceful
Other Word Forms
- nervously adverb
- nervousness noun
- nonnervous adjective
- nonnervously adverb
- overnervous adjective
- overnervously adverb
- seminervous adjective
- seminervously adverb
- unnervous adjective
- unnervously adverb
Etymology
Origin of nervous
First recorded in 1350–1400; Middle English, from Latin nervōsus “sinewy,” equivalent to nerv(us) nerve + -ōsus -ous
Explanation
You know that queasy, uneasy feeling you get before a test? That's a nervous feeling. Everyone gets nervous sometimes. Being nervous is a major part of life that everyone has to deal with at times. Some people are more nervous than others, but we all get nervous about certain things — for example, having to perform in front of a crowd makes most people nervous. Getting interviewed for a job is a nervous experience. When the stock market keeps going up or down, you could say it's a nervous stock market. Nervous also applies to the body's nervous system, which includes your brain, spinal cord, and the nerves throughout your body. If you think you injured your nervous system, that's a good reason to be nervous.
Vocabulary lists containing nervous
Emotions on Display
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"Seventh Grade" by Gary Soto
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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.
CATL’s neighbors-to-be are nervous about toxic waste, after revelations that Orban ignored reports of pollution from a Samsung SDI EV battery plant near Budapest.
From Barron's • Apr. 17, 2026
In the Netflix film, Swan demonstrates with calipers on a life-size, anatomically correct male baby doll in a coffee shop to the nervous titters of the participants.
From Slate • Apr. 16, 2026
In the brain, for example, microglia, which are the macrophages of the central nervous system, may become senescent in conditions like Alzheimer's disease as they encounter large amounts of cellular debris.
From Science Daily • Apr. 16, 2026
In “Trouble,” she buzzes with nervous energy, her dizzying delivery of Raphaelson’s smart dialogue creating the template for the screwball heroines soon to follow.
From The Wall Street Journal • Apr. 10, 2026
Llewelyn let out a nervous laugh and spoke to Orion in Wild.
From "The Way to Rio Luna" by Zoraida Cordova
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.