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sanity meaning and examples

2025-09-08

Meaning

Sanity (noun) refers to the state of having a sound mind, rational thinking, and reasonable judgment. It is the opposite of insanity and often relates to mental health, stability, and clear reasoning.

Grammar and Usage

  • Part of speech: Noun

  • Uncountable: usually not used in plural form.

  • Common patterns:

    • maintain sanity
    • lose one’s sanity
    • question someone’s sanity

Common Phrases

  • keep one’s sanity – remain calm and rational in a stressful situation.
  • lose one’s sanity – become mentally unstable or irrational.
  • the edge of sanity – at the limit of what a person can endure.
  • for the sake of sanity – to preserve mental health or peace of mind.

Collocations

  • mental sanity
  • question sanity
  • preserve sanity
  • restore sanity
  • threat to sanity

Examples

  1. After working nonstop for weeks, she took a vacation to preserve her sanity.
  2. The chaos in the office was enough to make anyone question their sanity.
  3. A short walk outside every day helps him keep his sanity.
  4. The therapist assured her that worrying about her children was a sign of sanity, not madness.
  5. He felt like he was on the edge of sanity during the long lockdown.
  6. For the sake of my sanity, I turned off my phone for the weekend.
  7. Reading books is a way for her to maintain her sanity in a busy life.
  • rationality
  • soundness of mind
  • reason
  • stability
  • lucidity

Antonym

  • insanity
  • madness
  • irrationality
  • lunacy