EXORBITANT
exorbitant, extortionate, outrageous, steep, unconscionable, usurious
(adjective) greatly exceeding bounds of reason or moderation; “exorbitant rent”; “extortionate prices”; “spends an outrageous amount on entertainment”; “usurious interest rate”; “unconscionable spending”
Source: WordNet® 3.1
Etymology
Adjective
exorbitant (comparative more exorbitant, superlative most exorbitant)
Exceeding proper limits; extravagant; excessive or unduly high.
Synonyms
• See also excessive
Source: Wiktionary
Ex*or"bi*tant, a. Etym: [L. exorbitans, -antis, p. pr. of exorbitare
to go out of the track; ex out + orbita track: cf. F. exorbitant. See
Orbit.]
1. Departing from an orbit or usual track; hence, deviating from the
usual or due course; going beyond the appointed rules or established
limits of right or propriety; excessive; extravagant; enormous;
inordinate; as, exorbitant appetites and passions; exorbitant
charges, demands, or claims.
Foul exorbitant desires. Milton.
2. Not comprehended in a settled rule or method; anomalous.
The Jews . . . [were] inured with causes exorbitant, and such as
their laws had not provided for. Hooker.
Source: Webster’s Unabridged Dictionary 1913 Edition