Exorbitant/ɪɡˈzɔːrbɪtənt/ Definition 1 of 1Pro Tip 1/3Negative Emotion Used to express disapproval or frustration about high costs. I was shocked by the exorbitant charges for the hotel room. Pro Tip 2/3Unreasonable Costs Implies that the price or amount is not just high, but unreasonably so. The exorbitant cost of college tuition is a major concern. Pro Tip 3/3Powerful Adjective 'Exorbitant' strongly highlights the extent to which costs exceed what is fair or appropriate. Renting that luxury car is exorbitant and not worth it.