Meaning of the word irrationally in English

What does irrationally mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

irrationally

US /ɪˈræʃ.ən.əl.i/
UK /ɪˈræʃ.ən.əl.i/

Adverb

1.

in a way that does not use reason or clear thinking:

Example:
People often behave irrationally when they are under stress.
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