cast doubt on

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.

Example Sentences

Bolsonaro is already banned from running for re-election in Brazil's next elections in 2026 after using social media and state television to cast doubt on Brazil's electoral system and electronic voting machines without evidence.

From BBC

In a ruling, it said "caused the public to cast doubt" on whether her actions "would benefit Cambodia more than the nation's interest".

From BBC

In comments released ahead of his interview on Sunday’s “Meet the Press” and reported by the New York Times, Russian Foreign Minister Sergey V. Lavrov cast doubt on the idea.

From Salon

Regardless of the location, Sonin cast doubt on such a meeting happening at all.

From Salon

But Zelensky cast doubt on Putin showing willingness for a meeting with him.

From BBC

Related Words

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