Case
Make sure
Make sure verb - Make a point of doing something; act purposefully and intentionally.
Mutual synonyms
Both terms in one sentence
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The police guarding check his case and make sure that he is carrying a real guitar (he is).
Source: Senseless Violins - Emerson knows full well that Ned killed (or "accidentally involuntarily manslaughtered") the funeral director when he brought Chuck back to life, but he points out to Ned that the best way to cover it up is for them to take the case and make sure no one else solves it.
Source: Hired to Hunt Yourself -
The major exception is the case of The Evil Prince, who is usually the younger of two princes, and who will do anything to make sure he succeeds their father instead of his brother (or in the case of the prince being the king's brother, to take the throne for himself directly).
Source: Cain and Abel
Cite this Source
Make sure and Case. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/case/make_sure
Case & Make sure. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/case/make_sure>.
Make sure or Case. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/case/make_sure.
Google Ngram Viewer shows how "case" and "make sure" have occurred on timeline