English dictionary, thesaurus, translations & etymology
FreeDict.com
adv

irrationally

Quiz me More like this

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 notes

In plain EnglishDoing or thinking something without a logical basis.

Vocabulary Flow
Build your vocabulary from words like irrationally.
Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.
Start vocabulary practice

Word forms

Comparative
more irrationally
Superlative
most irrationally
Test yourself on “irrationally” A quick quiz — meaning, synonyms & usage →

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."

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.

People also searched