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joyful

In a sentence
Buď radostný.
Be happy.
Buď radostná.
Be happy.
Deti priniesli radostnú správu o výhre.
The children brought joyful news of the win.
Jej tvár bola radostná po stretnutí s priateľmi.
Her face was joyful after meeting friends.
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.