irreclaimable, adj. unreclaimable, irredeemable, unredeemable, irreformable, unreformable, unreforma-tive, incorrigible, reprobate, beyond or past help; irrecoverable, unregainable, unrecoverable, irretrievable, unsalvageable, unsavable, lost; incurable, immedicable, unmedicable, uncurable, cureless, terminal, unre-mediable, irremediable, remediless; unrestorable, irreparable, unfixable, uncorrectable, unrectifiable; irreversible, indefeasible, unreversible, irrevocable, unrevocable, unrepealable; hopeless, beyond or past hope, a lost cause.
irreconcilable, adj. 1. unresolvable, unsolvable, irresolvable, unfixable, irreparable, unadjustable.
2. incompatible, unsuitable, unsuited, ill-suited, mismatched; incongruous, discordant, at odds or variance, conflicting, opposite, opposing, contrary, clashing.
3. implacable, inexorable, intransigent, uncompromising, unyielding, unbending; hardline, strict, rigid, inflexible, cast-iron, hard-and-fast.
irrecoverable, adj. unrecoverable, unregainable, irretrievable, irreclaimable, unreclaimable, irredeemable, unredeemable, lost; unrestorable, irreparable, unfixable, uncorrectable, unrectifiable. See - irreclaimable.
irredeemable, adj. 1. unredeemable, irreclaimable, unreclaimable. See - irreclaimable.
2. incontrovertible, uncontrovertible, indisputable, undisputable, incontestable, uncontestable, undeniable, unquestionable.
irreducible, adj. 1. not reducible, rock-bottom.
2. unchangeable, immutable, incommutable, unalterable, intransmutable.
irrefutable, adj. 1. incontrovertible, incontestable, indisputable, undeniable, irrefragable, unquestionable, beyond question, admitting no question or doubt, indubitable, beyond a shadow of a doubt, apo-dictic; conclusive, decisive, definite, definitive, solid, fixed, final; impregnable, invincible, unassailable, insuperable, undefeatable, unbeatable; certain, sure, Inf. for-sure, absolute, positive.
2. evident, manifest, apparent, obvious, patent, palpable, express; clear, clear-cut, plain, plain as day, plain as the nose on your face, Fr. en Evidence-, proven, demonstrated.
irregular, adj. 1. asymmetric, unsymmetrical, unequal; uneven, unlevel, rough, jagged, rugged, craggy, broken, hilly, knotty; lumpy, bunchy; pitted, holey; crooked, circuitous, roundabout, tortuous, devious, twisting, turning, curving, bending, swerving.
2. unmethodical, immethodical, methodless, inconsistent, desultory, unsystematic, systemless, unparliamentary, inconstant, erratic, eccentric, capricious, or-derless, variable, changeable, mutable; rambling, wandering, straying, roving; disarranged, disordered, confused, unsettled; spasmodic, fitful, uncertain, aperiodic, unpunctual, disconnected, stop-and-go, come and go.
3. anomalous, anomalistic, aberrant, deviate, deviant; abnormal, unnatural, freakish, Inf. freaky, monstrous, heteroclite, heteroclitical, heteromor-phous, heteromorphic; odd, peculiar, queer, quizzical, curious, offbeat, strange, bizarre, weird, Inf. quirky; singular, exceptional, unusual, uncommon, unorthodox, unconventional.
4. lawless, unruly, disorderly, wild, turbulent; improper, indecent, immoral, licentious, lascivious, lewd, promiscuous, lax, Inf. loose; wanton, depraved, degenerate, dissolute, dissipated; inordinate, intemperate, excessive, extravagant.
5. flawed, marked, imperfect, blemished, spotted, smudged, soiled, damaged, torn.
6. Military. (all of troops) guerrilla, partisan, underground, resistance.