across

1 across /əˈkrɑːs/ preposition
1 across
/əˈkrɑːs/
preposition
Britannica Dictionary definition of ACROSS
1 
a  : from one side to the other side of (something)
b  : on the other side of (something)
2 
: so as to reach or spread over or throughout (something)
3 
: in every part of (a country, region, etc.)
2 across /əˈkrɑːs/ adverb
2 across
/əˈkrɑːs/
adverb
Britannica Dictionary definition of ACROSS
1 
: from one side to the other
2 
: in a measurement from one side to the other side
3 
: on the opposite side

across from

: on the opposite side from (someone or something)