eyeball to eyeball (?.)

• adversative
• adverse
• adversive
• against the grain
• against the tide
• against the wind
• antagonistic
• anti
• antipathetic
• antipodal
• antithetic
• antonymous
• at cross-purposes
• at daggers
• at daggers drawn
• at issue
• at odds
• at opposite extremes
• at variance
• at war with
• athwart
• back to back
• balancing
• clashing
• compensating
• conflicting
• confronting
• contra
• contradictory
• contradistinct
• contrapositive
• contrarious
• contrariwise
• contrary
• contrasted
• converse
• counter
• counterbalancing
• counterpoised
• countervailing
• cross
• dead against
• discordant
• discrepant
• eyeball-to-eyeball
• face to face
• facing
• fronting
• hostile
• in confrontation
• in hostile array
• in opposition
• inconsistent
• inimical
• inverse
• just opposite
• nose to nose
• obverse
• opposed
• opposing
• opposite
• oppositional
• oppositive
• oppugnant
• perverse
• polar
• polaric
• polarized
• poles apart
• repugnant
• reverse
• squared off
• up in arms
• vis-a-vis
• with crossed bayonets