noun

truth

Translation

truth, fact, reality

You should always tell the truth.

The truth of the matter is complex.

There is some truth in what he says.

to tell the truth You must tell the truth.

the truth of ((sth.)) What is the truth of the story?

the truth is that... The truth is that I forgot.

Synonyms: fact, reality, veracity; Antonyms: lie, falsehood, fiction

From Old English 'trīewþ', meaning 'faith, faithfulness, fidelity, truth'. It is related to the word 'true'.

Think of it as the opposite of a lie. Imagine a courtroom where you swear to tell the 'truth'.