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natural

In a sentence
Je to prirodzený vývoj.
It is a natural development.
Ružová nie je prirodzená farba vlasov.
Pink is not a natural hair color.
Prirodzene.
Of course.
Je to prirodzená reakcia na stres.
It is a natural reaction to stress.
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.