cast doubt on

Idioms  

1. Cause something or someone to be questioned. For example, The prosecutor cast doubt on the wife's alibi. This idiom uses cast in the sense of “throw,” a usage dating from the early 1200s.

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Example Sentences

See Examples For:

cast doubt on

A few weeks after that initial email, Cofnas published a post on Substack under the title “DEI Fraud and Cover-Up at Cambridge,” in which he cast doubt on the academic integrity of Arday.

From The Wall Street Journal ● Aug. 21, 2026

“Any changes that cast doubt on that is probably more likely to be reflected in those stock prices,” Bond said, referring to data-center-driven demand for memory and storage products.

From MarketWatch ● Aug. 19, 2026

Soleimani's family later denied that the women were related to him, and subsequent reporting has cast doubt on the US government's claim.

From BBC ● Aug. 19, 2026

Experts have cast doubt on the legal feasibility of the emergency decree, which is already in force but requires parliamentary approval to remain law.

From Barron's ● Jul. 30, 2026

Recent studies have cast doubt on this picture.

From "1491" by Charles C. Mann

Related Words

• accuse
• arraign
• criticize
• discredit
• indict
• reprimand