This is the 739th most frequent Czech word.
fakt
The Czech word "fakt" means "fact" or "really" (informal, expressing emphasis).
In this sentence, 'fakt' is used as an adverb to emphasize the adjective 'zajímavé' (interesting), similar in meaning to 'really' or 'truly'.
To je fakt zajímavé.
That is really interesting.
Here, 'fakt' serves as an intensifier, underlining the extent of 'hodně práce' (a lot of work).
Mám fakt hodně práce.
I have a lot of work, for sure.
In this sentence, 'fakt' is used as a noun meaning 'fact,' referring to a statement that can be objectively verified.