subproblem
noun
subproblem is a noun meaning “A problem whose solution contributes to the solution of a larger problem” (English Wiktionary, September 2026). It is spelled S-U-B-P-R-O-B-L-E-M, and it appears about once in every 47 million words in written English (wordfreq, 2021 data). The plural of subproblem is subproblems.
What does subproblem mean?
noun
- 1
A problem whose solution contributes to the solution of a larger problem.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of subproblem
- subproblems plural
- sub-problem
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is subproblem?
Subproblem appears about once in every 47 million words in written English, the 211,986th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does subproblem come from?
From sub- + problem.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).