What is the Opposite(Antonym) of “crazy”?

The Opposite(Antonym) of “crazy”

The antonyms of crazy are sane, rational, and reasonable. The antonyms sane, rational, and reasonable convey a state of soundness of mind, judgment, or logic. It implies a lack of irrationality, madness, or absurdity.

Explore all Antonyms of “crazy”

Definitions and Examples of sane, rational, reasonable

Learn when and how to use these words with these examples!

Having a sound mind; not mentally ill or deranged.


The doctor confirmed that he was sane and did not require any medication.

Based on reason or logic; sensible or reasonable.


It is rational to save money for emergencies rather than spending it all at once.

Fair and sensible; based on good judgment.


The teacher gave the students a reasonable amount of homework that they could complete in a day.

Key Differences: sane vs rational vs reasonable

  • 1Sane refers to a person's mental health, while rational and reasonable refer to a person's thinking or behavior.
  • 2Rational implies a logical and sensible approach, while reasonable implies fairness and good judgment.
  • 3Sane is an absolute term, while rational and reasonable are gradable terms.

Effective Usage of sane, rational, reasonable

  • 1Discuss Mental Health: Use sane to describe a person's mental state.
  • 2Express Logical Thinking: Use rational to describe a logical and sensible approach.
  • 3Negotiate Fairly: Use reasonable to describe a fair and just decision.

Remember this!

The antonyms have distinct nuances: Sane describes a person's mental health, rational implies a logical and sensible approach, and reasonable implies fairness and good judgment. Use these words to discuss mental health, express logical thinking, and negotiate fairly.

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