cast doubt on (someone or something)

(redirected from cast doubt on it)

cast doubt on (someone or something)

To cause someone or something to be viewed with doubt, skepticism, or uncertainty. I considered Walt for the promotion, but his constant lateness soon cast doubt on that decision. Such a significant error really cast doubt on all of the experiment's results.
See also: cast, doubt, on

cast doubt on

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.
See also: cast, doubt, on
References in periodicals archive ?
The new findings don't disprove oat bran's ability to lower cholesterol, but they do cast doubt on it.
Critics assert that the Broome resolution is designed to undermine evolution and cast doubt on its validity, an ongoing strategy for advocates of "creation science.