Meanings
plural lockups · alternative lock-up
- countableuncountablecomputingA condition where a system stops responding to inputs; a freeze.
Opcode $02 on the MOS 6502 causes a processor lockup if executed.
- countablehistoricaluncountablemediaA device for locking type into position for printing.
- countableuncountablebusinessA contractual restriction that prevents certain shareholders, typically company insiders, early investors, or employees, from selling or transferring their shares for a specified period after an event such as an initial public offering
Synonyms & antonyms
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Deverbal from lock up.
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
lockup. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/lockup
“lockup.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lockup. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “lockup,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/lockup.
Source: lockup on Wiktionary, CC BY-SA 4.0.