Something is very expensive.
Trusted by1M+English learners & teachers worldwide
To be extremely expensive.
When something costs an arm and a leg, the price feels painfully high and paying it hurts.
It's used to say something is overpriced or costs far more than expected.
"Break the Bank"
—
Spend so much that it seriously damages your finances
"Dirt Cheap"
—
Cost very little; be extremely inexpensive
"Costs an Arm and a Leg"
—
Be extremely expensive or overpriced