Answer: steepest

AnswerCrossword Clue
STEEPESTMost exorbitant
steepest(of a claim or account) Exaggerated or incredible
steepest(of a price or demand) Not reasonable; excessive
steepest(of a slope, flight of stairs, angle, ascent, etc.) Rising or falling sharply; nearly perpendicular
steepest(of a rise or fall in an amount) Large or rapid
steepestSTEEP, precipitous
STEEPESTHardest to climb, maybe
STEEPESTHighest priced
STEEPESTLeast gradual
STEEPESTMost high-priced
STEEPESTMost prohibitory in cost
STEEPESTHardest to climb.
STEEPESTMost precipitous.
STEEPESTMost difficult to climb
STEEPESTMost expensive
STEEPESTMost precipitous
STEEPESTMost pricey
STEEPESTMost inclined
STEEPESTWith the highest gradient