This is the 40th most frequent Czech word.
proti
"Proti" means "against" or "opposite" in English.
In this instance, 'proti' means 'opposite,' highlighting its function as a spatial preposition in denoting position.
Bydlíme proti škole.
We live opposite the school.
Here, 'proti' is applied to express opposition to an idea or plan, showcasing its use in abstract contexts.
Jsou proti návrhu.
They are against the proposal.
In this sentence, 'proti' is used to mean 'against,' indicating a direction opposing the flow of the current.