Meanings
present singular third person news up · participle present newing up · participle past newed up · past newed up
- 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++ gems1 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.
Origin
The keyword new creates an object in C++ and derived languages.
Full word history & related roots →Cite this entry
new up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/new%20up
“new up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/new%20up. Accessed November 4, 2026.
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.