Look up this word
perfect

In a sentence
Nie je perfektný.
He's not perfect.
Nie som perfektný.
I'm not perfect.
Tom nie je perfektný.
Tom isn't perfect.
Nie som perfektná.
I'm not perfect.
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.