Synonyms for Indefensible:

• adj.

  •all (adjective)
  • indefensible.
  •defenseless (adjective)
  • on line,
  • pigeon,
  • hands tied,
  • like a clay pigeon,
  • on the line,
  • up the creek,
  • out on limb,
  • helpless,
  • in line of fire,
  • on the spot,
  • wide open,
  • like a sitting duck.
  •gratuitous (adjective)
  • un justified,
  • un merited,
  • most unprovoked,
  • more causeless,
  • most causeless,
  • un essential,
  • most reasonless,
  • most unmerited,
  • un provoked,
  • un-provoked,
  • more unmerited,
  • un-founded,
  • more reasonless,
  • un-justified,
  • more unprovoked,
  • un-merited,
  • in essential,
  • in-essential,
  • supererogatory,
  • un founded,
  • uncalled for,
  • uncalledfor,
  • un-essential,
  • un-supportable,
  • un supportable.
  •inexcusable (adjective)
  • wrong,
  • bad,
  • unallowable,
  • unpermissible,
  • inexpiable,
  • criticizable,
  • faulty.
  •unarmed (adjective)
  • unshielded.
  •unforgivable (adjective)
  • not forgivable.
  •unjustifiable (adjective)
  • most foundationless,
  • un just,
  • more ungrounded,
  • un justifiable,
  • un-justifiable,
  • un-grounded,
  • un grounded,
  • un-juster,
  • un-just,
  • more foundationless,
  • un-justest,
  • most ungrounded,
  • un justest,
  • un juster.
  •unpardonable (adjective)
  • un-pardonable,
  • un pardonable.
  •unprotected (adjective)
  • in the line of fire.
  •weak (adjective)
  • Woundable,
  • weakest.

• n.

  •
  • sinful,
  • evil,
  • wicked,
  • immoral,
  • unethical,
  • sordid,
  • deviant,
  • gross,
  • perverted,
  • amoral.
  •
  • vulnerable,
  • at the mercy of,
  • at-risk,
  • forgiveness,
  • undefended,
  • in harm's way,
  • unforgivable,
  • unguarded,
  • under threat,
  • insecure,
  • exposed.
  •indefensible (noun)
  • unreasonable.

• Other synonyms:

  •
  • unpardonable.
  •fallacious
  • invalid.
  •Other relevant words:
  • illegal,
  • inactive,
  • unsupported,
  • undesirable,
  • undue,
  • unsustainable,
  • excessive,
  • weaponless,
  • immoderate,
  • exorbitant,
  • specious,
  • exceptionable,
  • awful,
  • unrestrained,
  • Irremissible,
  • inexperienced,
  • Accusable,
  • improper,
  • flawed,
  • unjust,
  • harmless,
  • leg,
  • unfair,
  • open,
  • unasked,
  • unconscionable,
  • uncalled-for,
  • yielding,
  • humble,
  • not,
  • unprotected,
  • outrageous,
  • reprehensible,
  • beyond the pale,
  • extreme,
  • shaky,
  • vincible,
  • objectionable,
  • inadmissible,
  • imputable,
  • groundless,
  • extortionate,
  • unsuitable,
  • defenceless,
  • egregious,
  • unfounded,
  • vicious,
  • wild,
  • untempered,
  • idle,
  • baseless,
  • unendurable,
  • implausible,
  • Pregnable,
  • rude,
  • illogical,
  • unnecessary,
  • inordinate,
  • unsupportable,
  • impossible,
  • deplorable,
  • impolite,
  • indolent,
  • Unfortified,
  • undeserved,
  • unmaintainable,
  • intemperate,
  • unjustified.

Paraphrases for Indefensible:

• Equivalence

  • Adjective
    inexcusable, untenable, unjustified.

• Forward Entailment

  • Adjective
    defensible.

• Independent

  • Adjective
    inadmissible, justifiable, unaffordable, impermissible, impossible, unconscionable, groundless, unreasonable, ineligible, unviable, objectionable, unaccountable, wrong, arguable, disgraceful, invalid, reprehensible, flawed, reckless, unavoidable.

• Other Related

  • Adjective
    unsustainable, intolerable, irresponsible, unacceptable, unforgivable, tenable, unbearable, unwarranted, flimsy.

Antonyms for Indefensible:

• adj.

  • inexcusable
    justifiable, justified, excusable, defensible.
  • Other antonyms:
    good, authorized, tolerable, permitted, sanctioned, acceptable, invulnerable, ethical, sensible, virtuous, moral, supported, reasonable, encouraged, endorsed, legal, venial, approved, permissible.