disguisedpen

noun
UK /dɪsˈɡaɪzd pɛn/
US /dɪsˈɡaɪzd pɛn/

A pen that looks like something else so people do not know it is a pen.

The spy wrote a secret note with a disguised pen that looked like a lipstick.


OTHER MEANINGS

2. A pen whose true purpose is hidden inside an everyday object.

Her disguised pen was actually a tiny camera.

3. A pen used in a game where players must hide what they are writing.

In the classroom game, each team passed a disguised pen without the others noticing.

4. A pen that changes its look to match its surroundings.

The color-changing disguised pen blended in with the notebook cover.