Conundrum – A difficult or confusing problem

(Pronounced kuhn-uhn-druhm)

To remember the definition of the word conundrum, use the following mnemonic:

The convict undid the drum (conundrum) and ran off with it, which left a difficult problem for the drummer who was supposed to perform live in an hour.

Examples of conundrum in a sentence

I am stuck in the middle of nowhere without my phone, it's a real conundrum!

There is not a single maths conundrum that I can't solve.

Unsettled by a romantic conundrum, Rachel couldn't sleep.