Definition

Not based on reason or logical thinking; lacking rationality.

Example

His nonrational beliefs often led him to make decisions that others found confusing.

Conversation

I can't believe you made that choice based on a feeling.

Sometimes, you just have to go with your gut, even if it's nonrational.

True, but it can be hard to explain those decisions to others.

Yeah, but that's what makes life interesting, right?

Synonyms & Antonyms

Root Explanation

Nonrational → It is formed from "non-" (meaning not) and "rational" (from Latin "rationalis", meaning reasonable or logical). The word "nonrational" means not reasonable or lacking logical reasoning.

Memory Tip

Think of 'not' ('non-') being combined with 'reasonable' ('rational') to remember that 'nonrational' describes something that is not based on reason.

Visually Confused Words