: the quality or state of being sane
especially
: soundness or health of mind
Examples of sanity in a Sentence
People have begun to doubt his sanity.
She is the mother of six children but somehow keeps her sanity.
The sanity of the decision was never in question.
Recent Examples on the Web
Amid a raging wildfire, a mother’s search for her son’s plushie becomes a desperate fight to preserve his childhood innocence and her own dwindling sanity.
—
Kirsten Chuba, HollywoodReporter, 3 Sep. 2025
Build systems that protect your health and sanity.
—Jodie Cook, Forbes.com, 3 Sep. 2025
For the sake of my own sanity cannot get started with my day without the house being clean.
—PC Magazine, 20 Aug. 2025
The story tracks an immigrant actor willing to risk her sanity for a shot at American cinema stardom.
—Naman Ramachandran, Variety, 20 Aug. 2025
See All Example Sentences for sanity
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Kirsten Chuba, HollywoodReporter, 3 Sep. 2025
Build systems that protect your health and sanity.
—Jodie Cook, Forbes.com, 3 Sep. 2025
For the sake of my own sanity cannot get started with my day without the house being clean.
—PC Magazine, 20 Aug. 2025
The story tracks an immigrant actor willing to risk her sanity for a shot at American cinema stardom.
—Naman Ramachandran, Variety, 20 Aug. 2025
See All Example Sentences for sanity
Cite this Entry
“Sanity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sanity. Accessed 10 Sep. 2025.
Copy CitationKids Definition
sanity
noun
san·i·ty
ˈsan-ət-ē 
: the quality or state of being sane
Medical Definition
sanity
noun
san·i·ty
ˈsan-ət-ē
plural sanities
: the quality or state of being sane
especially
: soundness or health of mind
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