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true

In a sentence
Je jej príbeh pravdivý?
Is her story true?
Je jeho príbeh pravdivý?
Is his story true?
Jeho správa bola pravdivá.
His report was truthful.
Pravdivá odpoveď nie vždy poteší, ale pomáha.
A truthful answer does not always please, but it helps.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Includes Tatoeba example sentences when present.
Full attribution on References.