1. Input your text below.
2. Get it corrected in a few minutes by our editors.
3. Improve your English!

One of our experts will correct your English.

Our experts

1. Input your text below.
2. Get it corrected in a few minutes by our editors.
3. Improve your English!

One of our experts will correct your English.

Our experts

"Insane" vs "lunatic"

Both 'insane' and 'lunatic' are adjectives used to describe someone who is mentally ill or behaving irrationally. However, 'insane' is a more common and neutral term, while 'lunatic' has a more negative and outdated connotation.

Last Updated: March 28, 2024

Insane

The term 'insane' is a correct and commonly used adjective to describe someone who is mentally ill or behaving irrationally.

You can use 'insane' to describe someone who is mentally ill or behaving in a very irrational or foolish way.

Examples:

  • His behavior was so insane that we had to call for help.
  • The decision to invest all his money in that risky venture seemed insane to everyone around him.

Alternatives:

  • crazy
  • irrational
  • foolish
  • mad

lunatic

'Lunatic' is a correct term to describe someone who is mentally ill or behaving irrationally, but it has a more negative and outdated connotation compared to 'insane'.

While 'lunatic' can be used to describe someone who is mentally ill or behaving irrationally, it is less commonly used in modern English and may be considered offensive or insensitive.

Examples:

  • He was acting like a complete lunatic during the meeting.
  • Referring to someone as a 'lunatic' can be seen as disrespectful and stigmatizing.

Alternatives:

  • crazy
  • mad
  • insane
  • irrational

Related Comparisons

Why choose TextRanch?

Lowest prices
Up to 50% lower than other online editing sites.

Fastest Times
Our team of editors is working for you 24/7.

Qualified Editors
Native English experts for UK or US English.

Top Customer Service
We are here to help. Satisfaction guaranteed!