sane

/sān/

Adjective
  1. (of a person) Of sound mind; not mad or mentally ill: “hard work kept me sane”.
  2. (of an undertaking or manner) Reasonable; sensible.

in·sane

/inˈsān/

Adjective
  1. In a state of mind that prevents normal perception, behavior, or social interaction; seriously mentally ill.
  2. (of an action or quality) Characterized or caused by madness.

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