A restriction or weakness that reduces how effective or complete something is.
“A key limitation of the study is its small sample size.”
“Despite its benefits, the app has limitations in areas with poor internet access.”
Writers use 'limitation' to acknowledge that even a good idea has boundaries, which often signals a balanced or cautious viewpoint. Look for this word when a question asks about the weaknesses of a plan the author otherwise supports.
Synonyms: constraint, weakness, restriction