Synonyms for Malfunctioning:

• adj.

  •all (adjective)
  • malfunctioning,
  • nonfunctional.
  •faulty (adjective)
  • fallible,
  • cracked,
  • incomplete,
  • debased,
  • unsound,
  • frail,
  • tainted,
  • deficient,
  • insufficient,
  • false,
  • warped,
  • impaired,
  • lemon,
  • adulterated,
  • injured,
  • damaged,
  • distorted,
  • erroneous,
  • inexact,
  • leaky,
  • imperfect,
  • maimed,
  • out of order,
  • sick,
  • fallacious,
  • amiss,
  • below par,
  • unfit,
  • broken,
  • invalid,
  • weak,
  • wrong,
  • lame,
  • bad,
  • inadequate,
  • blamable,
  • blemished,
  • botched,
  • unreliable,
  • marred,
  • inaccurate,
  • rank,
  • malformed.
  •in disrepair (adjective)
  • on the fritz.
  •jammed (adjective)
  • fixed,
  • obstructed,
  • blocked,
  • frozen,
  • Caught,
  • barred,
  • stiff,
  • wedged,
  • clogged,
  • swollen,
  • immovable,
  • fastened,
  • fast,
  • unworkable,
  • Trammeled,
  • Lodged.
  •on the fritz (adjective)
  • out of commission,
  • kerflooey,
  • bonkers,
  • on the bum.
  •Other relevant words: (adjective)
  • unretentive,
  • out of whack,
  • Sandwiched,
  • faulty,
  • out of kilter,
  • inoperable,
  • jammed,
  • flawed,
  • imprecise,
  • not working.

• n.

  •awry (noun)
  • awry.
  •cut up (noun)
  • cut.
  •defective (noun)
  • defective.
  •haywire (noun)
  • haywire.
  •malfunctioning (noun)
  • the matter,
  • dead,
  • run-down.
  •Other relevant words: (noun)
  • failure to win.

• v.

  •act up (malfunction) (verb)
  • fail,
  • not work.
  •come unglued (verb)
  • come unstuck,
  • break down,
  • come apart at the seams.

• Other synonyms:

  •Other relevant words:
  • improperly,
  • fall apart,
  • stop running,
  • jam,
  • go to pieces,
  • run down,
  • function go on the blink,
  • break,
  • disintegrate,
  • malfunction,
  • fall to pieces,
  • come unwrapped,
  • conk out,
  • stall,
  • fall to bits.
  •Other relevant words (noun):
  • knackered,
  • glitch,
  • crashing,
  • nonfunctioning,
  • valueless,
  • Defaulting,
  • hiccuping,
  • unusable,
  • dud,
  • nonstructural,
  • defecting,
  • stalling,
  • Misbehaving,
  • Flawing,
  • useless,
  • breakdown,
  • troubling,
  • Hitching,
  • worthless,
  • non-functioning,
  • faults,
  • inoperative,
  • failing,
  • Collapsing,
  • down,
  • Faulting,
  • misfiring,
  • bust,
  • duff,
  • jamming,
  • kaput,
  • Faulted,
  • nonoperating,
  • dying,
  • malfunctioned,
  • damaging,
  • bugging,
  • on the blink,
  • substandard,
  • Disordering.

Paraphrases for Malfunctioning:

• Equivalence

  • Noun, singular or mass
    malfunction.

• Forward Entailment

  • Noun, singular or mass
    functioning.

• Independent

  • Adjective
    flawed.
  • Noun, singular or mass
    failure, mismanagement, breakdown, wrongdoing, fault.
  • Verb, gerund or present participle
    offending, hurting.

• Other Related

  • Adjective
    faulty, dysfunctional, defective.
  • Noun, singular or mass
    dysfunction, faulty, Wrong-doing, defective.
  • Verb, gerund or present participle
    crashing.

Antonyms for Malfunctioning:

• adj.

  • all
    functioning.
  • faulty
    fixed, adequate, unbroken, enough, right, flawless, accurate, complete, valid, reliable, correct, faultless, working, ample, ok, perfect, honest, true, strong, sound, sufficient.
  • jammed
    impermanent, unfixed, empty, vacant, operating, loose, clear.
  • Other antonyms:
    operable, effectual, up, functional, running, operational, employable, performing, productive, operative, usable, useful, serving, viable, workable, operant, effective.

• v.

  • act up (malfunction)
    function properly.