grain of truth

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grain of truth

A little bit of truth. Often used to refer to a small amount of insight or truth in something otherwise false or nonsensical. The only reason why Dave's joke about my love life bothered me so much is because there was a grain of truth to it.
See also: grain, of, truth

(a) grain of truth

even the smallest amount of truth. The attorney was unable to find a grain of truth in the defendant's testimony. If there were a grain of truth to your statement, I would trust you.
See also: grain, of, truth
References in classic literature ?
In this false statement there was mingled a grain of truth.
There was perhaps a grain of truth mixed up with this last report.
While some of the arguments against the income tax that Brian Doherty outlined in his article contain a grain of truth, the reality is that when taken in context none of them hold up in court.
There's more than a grain of truth in that wise prelate's words.
For years," he confides," I thought his story about jumping off the Space Needle in Seattle attached by just a Band-Aid to the end of a bungee cord within a promotional stunt for the Johnson & Johnson company might have a grain of truth to it somewhere" It turned out that Frazier was wrong on this one.