sanity JUST WRITTEN FOR YOU

/ˈsænəti/ · san·i·ty
noun
  1. The condition of being sane; sound mental health. After months of therapy, she regained her sanity and could think clearly again.
  2. Reasonable and rational behaviour; sound judgment. It would be a breach of sanity to invest all your savings in a single risky venture.
Did you know? The word entered English via Old French in the 14th century, originally meaning ‘health’ in a physical sense before shifting to denote mental soundness.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 14, 2026