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serious
In a sentence
Je to seriózny človek, na ktorého sa dá spoľahnúť.
He is a serious person you can rely on.
Seriózny záujemca prišiel na obhliadku bytu.
A serious interested buyer came to view the flat.
Potrebujeme seriózneho partnera do projektu.
We need a respectable partner for the project.
Seriózny záujemca o byt prišiel s hotovosťou.
A serious flat buyer arrived with cash.
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Hand-reviewed example sentences.
Full attribution on References.