What is another word for irrationally?

There are many words that can be used to describe something that is irrationally, depending on the specific context and nuance you want to convey. Here are some options, categorized by their meanings:

General alternatives:

* Unreasonably

* Unsoundly

* Illogically

* Unintelligibly

* Absurdly

* Foolishly

* Unwisely

Emphasis on emotion:

* Impulsively

* Emotionally

* Passionately

* Blindly

* Instinctively

Emphasis on lack of logic:

* Preposterously

* Ridiculously

* Incoherently

* Inconsistently

* Unjustifiably

Emphasis on being stubborn:

* Doggedly

* Obstinately

* Tenaciously

* Headstrong

Emphasis on being foolish:

* Carelessly

* Recklessly

* Thoughtlessly

* Rashly

The best word will depend on the specific situation. For example, if you are talking about someone who is making a decision based on their emotions, "emotionally" might be a good choice. If you are talking about someone who is making a decision that makes no logical sense, "illogically" might be a better choice.