Meaning & use
Irrationally
Last updated
In a way that is not based on reason or logical thinking.
See it in a sentence
He reacted irrationally, shouting at everyone in the room over a small delay.
Fear can make even calm people act irrationally.
A note on using this word
In mathematics, 'irrational' describes numbers, like pi, that cannot be expressed as a simple fraction, an unrelated but often confused sense of the word.
Words with a similar meaning
illogicallyunreasonably
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
rationallylogically
Make it your own
Write a sentence using “Irrationally”, then compare your use with the examples above.
Your draft stays on this page and is not sent anywhere.