This is the 4989th most frequent French word.
super
Fantastic; great; excellent.
Here, 'super' is used as an adjective meaning 'great' to describe the quality of the movie.
C'est un film super.
It's a great movie.
In this sentence, 'super' functions as an adjective to describe the high quality of the work done by the person.
Il a fait un travail super.
He did excellent work.
The word 'super' is used as an interjection here, expressing excitement and satisfaction about the achievement.