adv
irrationally
Irrationally (adv) means In a way that doesn't follow logic or reason. Example: “He reacted irrationally when told the flight was delayed.”
adv
1
In a way that doesn't follow logic or reason.
"He reacted irrationally when told the flight was delayed."
How to use irrationally
Learner’s notesIn plain EnglishDoing or thinking something without a logical basis.
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Word forms
- Comparative
- more irrationally
- Superlative
- most irrationally
Fill the gap
Can you complete this real example?
He reacted _____ when told the flight was delayed.
Etymology
From irrational plus the adverb-forming suffix "-ly."
Synonyms
View more →Antonyms
Related words
Rhymes for irrationally
See all rhymes for irrationally →Frequently asked questions
What does “irrationally” mean?
The word “irrationally” means in a way that doesn't follow logic or reason. In plain terms, doing or thinking something without a logical basis.
How do you use “irrationally” in a sentence?
Here is “irrationally” used in a sentence: “He reacted irrationally when told the flight was delayed.”
What is the opposite of “irrationally”?
The opposite of “irrationally” — its antonyms — is rationally.
What part of speech is “irrationally”?
“Irrationally” is an adverb.