Definition from Wiktionary, the free dictionary
- (literally historical) The act of robbing a traveler on a public road.
- (idiomatic) Said of excessive or exorbitant prices.
- They think they can charge $400 for a shirt? That's highway robbery.
(the asking of an excessive or exorbitant price): daylight robbery
The act of robbing on a public road
The asking of an excessive or exorbitant price — see daylight robbery