Irrational - Meaning, Definition & English Examples
Irrational describes something not based on reason or logic, often driven by emotions or illogical thinking. It can refer to actions, beliefs, or fears that lack sensible justification.
Definition:
Not logical or reasonable; lacking sound judgment or coherence.
Synonyms:
illogical, unreasonable, absurd, senseless
Part of Speech:
adjective
Antonyms:
rational, logical, reasonable
Common Collocations:
irrational fear, irrational behavior, irrational decision, irrational thought
Derivatives:
irrationally, irrationality
Usage Tips:
Use "irrational" to describe actions or beliefs that defy logic or reason.
Common Phrases:
irrational exuberance, act irrationally, irrational fear
Etymology:
From Latin "irrationalis," meaning "without reason," combining "in-" (not) and "rationalis" (reasonable).
Examples:
- 1. Her fear of spiders is completely irrational.
- 2. He made an irrational decision in the heat of the moment.
- 3. The argument was based on irrational assumptions.
- 4. She felt an irrational urge to laugh during the serious meeting.