adj.
1 pointing straight up
VERBS
▪ be
ADVERB
▪ almost , nearly
▪
an almost ~ staircase
2 at an angle of 90° to sth
VERBS
▪ be
ADVERB
▪ approximately
▪ almost
▪ mutually
▪
two mutually ~ directions
PREPOSITION
▪ to
▪
The axis of the moon will now be exactly ~ to that of the earth.
Perpendicular is used with these nouns: ↑ line