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In a sentence
Tom určite nehovorí za nás všetkých.
Tom certainly doesn't speak for all of us.
Klingončina je určite najmenej užitočný jazyk.
Klingon has to be the most useless language.
Určite by som tam nešiel sám.
I definitely wouldn't go there by myself.
Tom určite nebude na stretnutí.
Tom definitely won't be at the meeting.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Example sentences from Tatoeba (CC BY 2.0 FR).
Full attribution on References.