sane.
Being in a healthy condition; not deranged; thinking rationally.
Meaning & usage
Being in a healthy condition; not deranged; thinking rationally.
a sane mind
Mentally sound; possessing a rational mind; having the mental faculties in such condition as to be able to anticipate and judge the effect of one's actions in an ordinary manner.
a sane person
Rational; reasonable; sensible.
Try to go to bed at a sane time before your exams.
Where this word comes from
Learned borrowing from Latin sānus (“healthy; sane”). Doublet of sound.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.