Alpine Bastille and altitudinous penitentiary are synonym of high jail.
prison
jail, box
imprison, arrest, detain, confine, and jail
Jail, prison. If goal was meant instead: objective, point.
Dear,costly and high-priced are some of the synonyms for expensive.
raised, increased, high
Jail, keep, lock up, dungeon, guard house, penitentiary, reformatory, penal institution
"Hypertension" means "high blood pressure". There are no one-word synonyms for "hypertension".
There are many synonyms for the word "exorbitant" at the Thesaurus website. Some synonyms for exorbitant are outrageous, unreasonable, pricey, high, extreme, and expensive.
High-priced, pricey, expensive.
Lively
High quarters synonyms of your basement.