Sanity

//ˈsæ.nə.ti// noun

noun ·Moderate ·College level

Definitions

Noun
  1. 1
    The condition of being sane. countable, uncountable

    "preserve one's sanity"

  2. 2
    normal or sound powers of mind wordnet
  3. 3
    Reasonable and rational behaviour. countable, uncountable

Synonyms

All synonyms
rationalitysanenesssanenesssensiblenessapprehensionbalance

Example

More examples

"The thin line between sanity and madness has gotten finer."

Etymology

From Middle English sanite, sanyte, sanytee, from Middle French sanité, from Latin sānitās, from sānus (“healthy”) + -itās (“-ity”). By surface analysis, sane + -ity.

Related phrases

lose sanitysanity checksanity test

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.