irrationaly

Definitions

In a manner not governed by or according to reason.

In a way that is illogical, unreasonable, or lacking sound judgment.

Examples

He reacted irrationally to the minor criticism, storming out of the room without saying a word.

It is easy to behave irrationally when you are under a great deal of stress and lack sleep.

Synonyms

illogically unreasonably absurdly senselessly foolishly erratically incoherently

Antonyms

logically reasonably sensibly rationally coherently wisely soundly