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suspicious

In a sentence
To je podozrivé.
This is suspicious.
Sme podozriví.
We're suspects.
Podozrivý balík nechali skontrolovať na polícii.
They had the suspicious package checked at the police.
Správal sa podozrivo a rýchlo odišiel.
He behaved suspiciously and left quickly.
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.