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unique

In a sentence
Každý človek je jedinečný.
Every individual is unique.
Vôňa po letnom daždi je jedinečná.
The smell following summer rain is unique.
Tento nález je v celej zbierke skutočne jedinečný.
This find is truly unique in the entire collection.
Každý hlas má jedinečnú farbu a silu.
Every voice has a unique color and strength.
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.