jack up

Fetched 2026-10-26 (cache).

Synonyms: back up, rack up, sack up, tack up, pack up, jack-up, hack up, jacks up

Antonyms: back up, rack up, sack up, tack up, pack up, jack-up, hack up, jacks up

Related words from Datamuse; suggestions, not definitions.

Verb

1. To [[raise]], [[hoist]], or [[lift]] a thing using a [[jack]], or similar means.
2. {{lb|en|informal}} To [[raise]], [[increase]], or [[accelerate]]; often said of [[price]]s, [[fee]]s, or [[rate]]s.
3. {{lb|en|colloquial}} To [[ruin]]; [[wreck]]; [[mess up]]; [[screw up]]; sometimes as a [[bowdlerize]]d substitution for {{m|en|fuck up}}.
4. {{lb|en|obsolete|transitive|and|intransitive|dialect|West England|and|Australia}} To [[give up]]; to [[abandon]] (something, e.g. a job, contract)
5. {{lb|en|NZ}} To [[organise]] something.
6. {{lb|en|basketball|colloquial}} To [[shoot]], especially in the context of a poor shot opportunity.
7. {{lb|en|slang|transitive}} To improve or embellish on (something).
8. {{lb|en|informal}} To refuse to follow an order.
9. {{lb|en|informal}} To [[criticize]], [[discipline]] or [[reprimand]].
10. {{lb|en|slang|ambitransitive}} To [[inject]] a [[drug]] into (oneself) [[intravenously]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.