different
other
across
adversary
adversative
adverse
adversive
against
alien
antagonist
antagonistic
anti
antipathetic
antipodal
antipode
antipodean
antipodes
antipole
antithesis
antithetic
antithetical
antonym
antonymous
at cross-purposes
at opposite extremes
back to back
balancing
clashing
compensating
competitive
con
conflicting
confronting
contra
contradictory
contradistinct
contrapositive
contrarious
contrariwise
contrary
contrary to
contrast
contrasted
contrasting
converse
contestant
oppositeness
opposition
adjacent
narrow
positive
southern
very
analogous
analogue