Definitions

sane

[seyn] / seɪn /

ADJECTIVE

mentally sound; reasonable

Synonyms

STRONGEST

balanced fair-minded healthy intelligent levelheaded logical lucid normal prudent rational sensible sober wise

WEAK

all there both oars in water commonsensical compos mentis discerning fit having all marbles in one's right mind judicious moderate of sound mind oriented playing with full deck right right-minded sagacious sage sapient self-possessed sound steady together well

Antonyms

STRONGEST

foolish irrational stupid unbalanced unintelligent unrealistic unreasonable unwise

WEAK

crazy insane unsound unstable

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.

What kept them sane was talking among themselves about memories of their past lives, Rumyantsev recalled.

From Barron's • May 8, 2026

"It keeps me sane, keeps my mind at ease," he said.

From BBC • Mar. 19, 2026

“Is she right? Is she wrong? Is she psycho? Is she sane? Is she brilliant? Is she all of those things? Or none of them? You can’t pin her down,” Jonas explains.

From Los Angeles Times • Feb. 26, 2026

But reasonable observers can admit that any sane policy will, to a greater or lesser degree, look ugly.

From The Wall Street Journal • Feb. 20, 2026

The tiger is his sane mind, which goes to sleep too much, so that he never knows what to believe.

From "Everything Sad Is Untrue" by Daniel Nayeri

Vocabulary lists containing sane

Tears of a Tiger

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P.S. Be Eleven

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Unit 1: Vocabulary from Readings 2

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