B2 [U] the quality of being true: There would seem to be some truth in what she says. There is no truth in the reports of his resignation. You cannot question the truth of his alibi. And yet what he says contains at least a grain of (= a small amount of) truth.Reality and truth the truth B1 [S] › the real facts about a situation, event, or person: But was he telling the truth? I don't suppose we'll ever know the truth about what happened that day. To tell (you) the truth (= speaking honestly) I'm quite pleased he's not coming.Reality and truth in truth formal › used to show or emphasize that something is true: In truth we feared for her safety although we didn't let it be known.True, real, false, and unreal C2 [C] formal a fact or principle that is thought to be true by most people: It would seem to be a general truth that nothing is as straightforward as it at first seems. The entire system of belief is based on a few simple truths.Reality and truth