(a.) Not reconcilable; implacable; incompatible; inconsistent; disagreeing; as, irreconcilable enemies, statements.

abnormal absurd adamant adamantine alienated anomalous assorted at odds at variance avenging bitter-ender brawler cast-iron contrary contrasted contrasting defendant departing deviating deviative diehard different differentiated differing disaccordant disaffected disagreeing discordant discrepant discrete discriminated disjoined disparate disproportionate disputant dissentient dissident dissimilar dissonant distinct distinguished disunited divergent diverging divers diverse diversified divided dour estranged firm flinty grim grudgeful hard hard-core heterogeneous immovable immutable implacable impliable in disagreement inaccordant incoherent incommensurable incommensurate incompatible incongruent incongruous inconsequent inconsistent inconsonant inelastic inexorable inflexible inharmonious intransigent iron last-ditcher litigant many motley multifarious naysayer negativist noncooperator objector obstructionist obstructive opposer oppositionist out of proportion oxymoronic paradoxical plaintiff poles apart poles asunder protester punitive punitory quarreler rancorous relentless resister retaliatory revanchist revengeful rigid rigorous rock-ribbed scrapper self-contradictory separate separated several steely stern stiff torn unaffected unalterable unappeasable unbending unchangeable uncompromising unconformable unequal ungiving unlike unmoved unrelenting unyielding variant varied variegated various varying vengeful vindicatory vindictive widely apart worlds apart wrangler