Definition

A person or thing that makes something invalid or null.

Example

The invalidator of the contract pointed out the errors that rendered it void.

Conversation

Have you ever thought about what an invalidator really does?

Not really, but it sounds like someone who makes things null and void.

Exactly! It’s kind of a harsh term for someone who cancels out efforts.

Yeah, I guess we should be careful not to be an invalidator in our own lives.

Synonyms & Antonyms

Root Explanation

Invalidator → It is formed from "in-" (meaning not) and "validus" (meaning strong or valid) and "-ator" (meaning one who). The word "invalidator" refers to one who makes something not valid or strong.

Memory Tip

Think of someone who makes something 'not valid' — 'in-' means not, 'validus' means strong or valid, and '-ator' indicates a person who does something.

Visually Confused Words