Definition

To give someone a warning in advance about something that may happen.

Example

The teacher decided to prewarn the students about the upcoming test.

Tense Forms

Conversation

Did you prewarn Sarah about the surprise party?

I forgot! I hope she doesn't get too confused when she shows up.

Yeah, we should probably let her know to avoid any surprises.

Good idea! I’ll send her a message right now.

Synonyms & Antonyms

Root Explanation

Prewarn is formed from "pre-" (meaning before) and "warn" (from Old English "wyrnan", meaning to inform or give notice). The word means to inform someone in advance or before an event occurs.

Memory Tip

Think of being informed 'before' something happens — 'pre-' means before, and 'warn' means to inform.

Visually Confused Words