Disproportion means a mismatch or imbalance between things that should fit together or correspond in size, amount, or importance. When there's a disproportion, one thing is too large or too small compared to another.

Imagine a tiny guard dog weighing eight pounds trying to protect a massive warehouse. That's a disproportion between the size of the dog and the size of the job. Or picture someone spending three hours decorating a cupcake for a party but only five minutes actually baking it. The time spent on decoration is wildly out of proportion to the time spent baking.

Disproportion often signals that something's wrong or poorly planned. If a school assigns one teacher to supervise three hundred students on a field trip, there's a dangerous disproportion between supervisors and kids. If a city spends millions on a fancy new city hall but can't afford to fix crumbling school buildings, many people would call that a disproportion in priorities.

The word appears frequently in discussions about fairness and balance. Someone might argue there's a disproportionate number of wealthy students at a particular college, or that a punishment was disproportionate to the offense, like getting expelled for arriving two minutes late.