confronting (?.)
- adversative
- adverse
- adversive
- antagonistic
- anti
- antipathetic
- antipodal
- antithetic
- antonymous
- at cross-purposes
- balancing
- clashing
- compensating
- conflicting
- contradictory
- contradistinct
- contrapositive
- contrarious
- contrary
- contrasted
- converse
- counter
- counterbalancing
- counterpoised
- countervailing
- dead against
- discordant
- discrepant
- eyeball to eyeball
- eyeball-to-eyeball
- facing
- hostile
- inconsistent
- inimical
- inverse
- obverse
- opposed
- opposing
- opposite
- oppositional
- oppositive
- oppugnant
- perverse
- polar
- polaric
- polarized
- repugnant
- reverse
- squared off