Look up this word
reliable

In a sentence
Tento muž nie je spoľahlivý.
This man is not reliable.
Potrebujeme spoľahlivého vodiča na rannú trasu.
We need a reliable driver for the morning route.
Jej auto je staré, ale stále spoľahlivé.
Her car is old, but still reliable.
Spoľahlivý dodávateľ dodal tovar načas.
A reliable supplier delivered the goods on time.
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.