Definition

Made to stop theft or stealing, especially for containers or items.

Example

The new pilferproof packaging ensures that no one can steal the contents inside.

Conversation

Did you see the new containers they have at the store?

Yeah! I heard they are pilferproof, which is awesome.

That’s exactly what I need for my snacks at work.

For sure! It’ll keep everything safe from sneaky hands.

Synonyms & Antonyms

Root Explanation

Pilferproof → It is formed from "pilfer" (from Middle English *pilfren*, meaning to steal or take secretly) and "proof" (from Old French *proef*, meaning resistant or impervious). The word "pilferproof" means resistant to or impervious to theft or stealing.

Memory Tip

Think of something that is designed to be resistant to stealing — 'pilfer' means to take secretly, and 'proof' means resistant.

Visually Confused Words