Meaning of “steep” - Learner’s Dictionary

steep

adjective uk us /stiːp/
SLOPE

B1 A steep slope, hill, etc goes up or down very quickly:

The hill was too steep to cycle up.
CHANGE

A steep increase or fall in something is very big and quick:

a steep rise in prices
PRICE informal

very expensive:

Hotel prices are steep at $300 for a room.
steeply adverb

Food prices have risen steeply.
steepness noun [ U ]

(Definition of “steep adjective” from the Cambridge Learner’s Dictionary © Cambridge University Press)