irreconcilable (adj.)
- abnormal
 - absurd
 - adamant
 - adamantine
 - alienated
 - anomalous
 - assorted
 - cast-iron
 - contrary
 - contrasting
 - deviating
 - different
 - differentiated
 - disaffected
 - discordant
 - discrepant
 - discrete
 - disjoined
 - disparate
 - disproportionate
 - dissentient
 - dissident
 - dissimilar
 - dissonant
 - distinct
 - distinguished
 - disunited
 - divergent
 - diverging
 - divers
 - diverse
 - diversified
 - divided
 - dour
 - estranged
 - firm
 - flinty
 - grim
 - hard
 - hard-core
 - heterogeneous
 - immovable
 - immutable
 - implacable
 - incoherent
 - incommensurable
 - incommensurate
 - incompatible
 - incongruent
 - incongruous
 - inconsequent
 - inconsistent
 - inelastic
 - inexorable
 - inflexible
 - inharmonious
 - intransigent
 - iron
 - many
 - motley
 - multifarious
 - obstructive
 - paradoxical
 - punitive
 - punitory
 - rancorous
 - relentless
 - retaliatory
 - revengeful
 - rigid
 - rigorous
 - rock-ribbed
 - self-contradictory
 - separate
 - separated
 - several
 - steely
 - stern
 - stiff
 - torn
 - unaffected
 - unalterable
 - unappeasable
 - unbending
 - unchangeable
 - uncompromising
 - unconformable
 - unequal
 - unlike
 - unmoved
 - unrelenting
 - unyielding
 - variant
 - varied
 - variegated
 - various
 - varying
 - vengeful
 - vindicatory
 - vindictive