Definition

Not fair or sensible; going beyond what is reasonable or acceptable.

Example

The manager made unreasonable demands on the employees, expecting them to work overtime without pay.

Conversation

I think asking for a raise after just three months is a bit unreasonable.

Yeah, I can see that; it might come off as too demanding.

Exactly! It’s like they don’t consider the company's situation.

Right, sometimes people have unreasonable expectations in the workplace.

Synonyms & Antonyms

Root Explanation

Unreasonable → It is formed from "un-" (meaning not) and "reasonable" (from Latin "rationabilis", meaning able to be calculated or reasonable). The word "unreasonable" means not able to be calculated or lacking reason.

Memory Tip

Think of 'not' ('un-') combined with 'able to be calculated' ('rationabilis') — this helps you remember that 'unreasonable' means lacking reason.

Visually Confused Words