The Opposite(Antonym) of “rational”
The antonyms of rational are irrational, illogical, and unreasonable. These words describe a lack of reason, logic, or sound judgment.
Explore all Antonyms of “rational”
Definitions and Examples of irrational, illogical, unreasonable
Learn when and how to use these words with these examples!
Not based on reason or logic; illogical or unreasonable.
Example
Her fear of flying was irrational because she knew that it was statistically safer than driving.
Lacking sense or clear reasoning; not logical.
Example
His argument was illogical because it relied on false assumptions and flawed reasoning.
Not guided by reason or fairness; excessive or unjustifiable.
Example
The company's demands for longer working hours were unreasonable and caused a lot of resentment among the employees.
Key Differences: irrational vs illogical vs unreasonable
- 1Irrational implies a complete lack of reason or logic.
- 2Illogical suggests a lack of clear reasoning or sense.
- 3Unreasonable refers to actions or demands that are excessive or unjustifiable.
Effective Usage of irrational, illogical, unreasonable
- 1Express Opinions: Use these antonyms to express disagreement or criticism of ideas or arguments that lack reason or logic.
- 2Discuss Behavior: Utilize these antonyms to describe behavior that is not guided by reason or fairness.
- 3Analyze Situations: Incorporate these antonyms in discussions to analyze situations that lack clear reasoning or sense.
Remember this!
The antonyms of rational describe a lack of reason, logic, or sound judgment. Irrational implies a complete lack of reason, illogical suggests a lack of clear reasoning or sense, and unreasonable refers to actions or demands that are excessive or unjustifiable. Use these antonyms to express opinions, discuss behavior, and analyze situations.