Definitions from Wiktionary (open problem)
▸ noun: (sciences) A 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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▸ noun: (sciences) A problem that has been posed in a field of study such as mathematics or theoretical computer science, but whose answer is not yet known.
Similar:
toy problem,
decision problem,
constant problem,
eigenproblem,
problem space,
thesis,
unknown,
word problem,
frame problem,
subproblem,
more...
Opposite:
Types:
▸ Words similar to open problem
▸ Usage examples for open problem
▸ Idioms related to open problem
▸ Wikipedia articles (New!)
▸ Words that often appear near open problem
▸ Rhymes of open problem
▸ Invented words related to open problem