Definitions

sanity

[san-i-tee] / ˈsæn ɪ ti /

NOUN

mental health; soundness of judgment

Synonyms

STRONGEST

common-sense normality prudence rationality soundness stability wit

STRONG

acumen balance comprehension intelligence judiciousness lucidity lucidness marbles reason reasonableness sagacity saneness sense understanding

WEAK

clear mind good judgment healthy mind levelheadedness right mind sound mind

Antonyms

STRONG

ignorance inability ineptness misinterpretation mistake misunderstanding

WEAK

craziness insanity instability madness unsoundness

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.

Those who have called the president’s sanity into question have multiplied.

From Salon • Apr. 17, 2026

And she maintains sanity by working to a soundtrack of her favorite Japanese pop songs and the bouncing beats of Basement Jaxx.

From Los Angeles Times • Mar. 25, 2026

Instead of sanity being at a quantifiable premium, it is ethics.

From The Wall Street Journal • Mar. 20, 2026

Now she was beginning to doubt her own sanity.

From "Scythe" by Neal Shusterman

Vocabulary lists containing sanity

Drums, Girls, and Dangerous Pie

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Schooled

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A Lesson Before Dying

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