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dark

In a sentence
To je veľmi tmavý.
It's very dark.
Prečo je vesmír tmavý?
Why is the universe dark?
Izba bola tmavá.
The room was dark.
Takmer všetci Japonci majú tmavé vlasy.
Nearly all Japanese have dark hair.
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.