new up

verb

To create (an object) by calling its constructor.

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Meanings

verbnew up (third-person singular simple present news up, present participle newing up, simple past and past participle newed up)

present singular third person news up · participle present newing up · participle past newed up · past newed up

  1. informaltransitivecomputingTo create (an object) by calling its constructor.

    If an exception occurs trying to new up bar1 or bar2, the TFoo part of the object won't have changed […]

    2000, Robert C. Martin, More C++ gems
    1 more example

    So you just new up the object you want and once its internal reference count drops to 0, the language deletes it (during a free time as a background thread).

    2003, Jonathan Hoyle, “Pointers?”, in comp.lang.basic.realbasic (Usenet)

    Synonyms: new

Synonyms & antonyms

verbTo create (an object) by calling its constructor.

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Also see

Origin

The keyword new creates an object in C++ and derived languages.

Full word history & related roots →
Cite this entry
APA

new up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/new%20up

MLA

“new up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/new%20up. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “new up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/new%20up.

Source: new up on Wiktionary, CC BY-SA 4.0.