plural of jack-up

To raise, hoist, or lift a thing using a jack, or similar means. / (informal) To raise, increase, or accelerate; often said of prices, fees, or rates.

simple past tense and past participle of jack up

Hoisted, lifted off the ground, or propped up using a jack. / (slang, automotive) Describes a 4x4 automobile that has a "lift kit", raising the body and/or frame higher than stock.

An increase or rise; usually said of prices, fees, or rates. / (often attributive) A machine that utilizes jacks or hydraulic lifts.

present participle of jack up

Third-person singular simple present indicative form of jack up

Alternative form of jacked up

(UK, dialect, obsolete) Used as an unspecified threat.