Meanings
nounopen problem (plural open problems)
plural open problems
- sciencesA problem that has been posed in a field of study such as mathematics or theoretical computer science, but whose answer is not yet known.
Synonyms: open question
Synonyms & antonyms
nounA problem that has been posed in a field of study such as mathematics or theoretical computer science, but whose answer is not yet known.
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APA
open problem. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/open%20problem
MLA
“open problem.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/open%20problem. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “open problem,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/open%20problem.
Source: open problem on Wiktionary, CC BY-SA 4.0.