Definition

Not suitable or appropriate for a particular situation; not following accepted rules or standards.

Example

Wearing shorts to a formal wedding is considered improper attire.

Conversation

Did you see how he dressed for the party last night?

Yeah, I thought it was a bit improper for the occasion.

I mean, who wears flip-flops to a formal event?

Exactly! It just didn't seem right at all.

Synonyms & Antonyms

Root Explanation

Improper is formed from "im-" (meaning not) and "proprius" (from Latin, meaning one's own or proper). The word "improper" means not proper or unsuitable for a particular situation.

Memory Tip

Think of 'not' ('im-') being added to 'proper' — this helps you remember that improper means something that is not suitable or appropriate.

Visually Confused Words