Synonyms for Out of gas:

• adj.

  •enervated (adjective)
  • listless,
  • done in,
  • out of condition,
  • spiritless,
  • limp,
  • incapacitated,
  • Sapped,
  • tired,
  • lackadaisical,
  • undermined,
  • weakened,
  • vitiated,
  • prostrate,
  • washed out,
  • unnerved,
  • paralyzed,
  • Languishing,
  • debilitated,
  • rusty,
  • run-down,
  • Prostrated,
  • languorous,
  • soft,
  • devitalized,
  • enfeebled,
  • enervated,
  • gone to seed,
  • out of shape,
  • languid,
  • spent,
  • Deteriorated,
  • on the ropes.
  •fatigued (adjective)
  • bushed,
  • Dog-weary,
  • fagged out,
  • dog tired,
  • bedraggled,
  • lassitudinous,
  • wasted,
  • dead-beat,
  • dropping,
  • droopy,
  • dog-tired,
  • tuckered,
  • burned out,
  • jaded,
  • worn,
  • zonked,
  • worn-out,
  • ready to drop,
  • beat,
  • overtired,
  • all in,
  • Dead beat,
  • exhausted,
  • dead-tired,
  • played out,
  • dead.
  •feeble (adjective)
  • dopey,
  • unconvincing,
  • fragile,
  • Strengthless,
  • tame,
  • sickly,
  • weakly,
  • emasculated,
  • inefficient,
  • flat,
  • infirm,
  • fainter,
  • aged,
  • poor,
  • insubstantial,
  • paltry,
  • helpless,
  • insufficient,
  • decrepit,
  • puny,
  • lame,
  • chicken,
  • frail,
  • indecisive,
  • ineffectual,
  • zero,
  • flabby,
  • low,
  • woozy,
  • sapless,
  • ailing,
  • incompetent,
  • slight,
  • failing,
  • thin,
  • delicate,
  • etiolated,
  • effete,
  • in firm,
  • inadequate,
  • doddering,
  • wimpy,
  • gentle,
  • impotent,
  • faint.
  •Other relevant words: (adjective)
  • wimp,
  • fatigued,
  • unfulfilled,
  • dead feet,
  • tuckered out,
  • incapable,
  • dead on one's feet,
  • well-worn,
  • in default,
  • wrung out,
  • disenfranchised,
  • wornout,
  • wanting,
  • weak,
  • not up to par,
  • run ragged,
  • used up,
  • Pooped,
  • worn down,
  • feeble,
  • cliched,
  • too little too late,
  • powerless,
  • not good enough,
  • the worse for wear,
  • worse for wear,
  • totaled,
  • weary.
  •pooped (adjective)
  • drained,
  • drowsy,
  • worn out,
  • Overworked,
  • done for,
  • shot,
  • Collapsing,
  • sleepy,
  • drooping,
  • fried.
  •powerless (adjective)
  • dependent,
  • passive,
  • tied,
  • gutless,
  • supine,
  • inert,
  • vulnerable,
  • subject,
  • ineffective,
  • unarmed,
  • disabled,
  • defenseless,
  • wishy-washy,
  • unfit,
  • blank.
  •wanting (adjective)
  • defective,
  • bereft,
  • away,
  • gone,
  • unsound,
  • missing,
  • devoid,
  • needed,
  • disappointing,
  • absent,
  • less,
  • scarce,
  • deprived,
  • inferior,
  • substandard,
  • patchy,
  • Omitted,
  • sketchy,
  • half-baked,
  • scanty,
  • cut off,
  • incomplete,
  • cooked,
  • shy,
  • imperfect,
  • short,
  • bankrupt,
  • faulty,
  • destitute,
  • deficient,
  • minus,
  • empty,
  • scant.
  •weak (adjective)
  • forceless,
  • spindly,
  • anemic,
  • rickety,
  • weakest,
  • hesitant,
  • tender,
  • torpid,
  • makeshift,
  • sluggish,
  • irresolute,
  • rotten,
  • rocky,
  • wobbly,
  • unsubstantial,
  • undependable,
  • Impuissant,
  • unsteady,
  • wavering,
  • uncertain,
  • flaccid,
  • senile,
  • shaky,
  • flimsy.
  •weary (adjective)
  • impatient,
  • flagging,
  • Punchy,
  • dead tired,
  • discontented,
  • bone-tired,
  • wearing,
  • fagged,
  • Taxed,
  • sick and tired,
  • bored,
  • wiped out,
  • indifferent,
  • knocked out,
  • fed up,
  • had it,
  • wearied,
  • disgusted,
  • sick.
  •worn/worn-out (adjective)
  • destroyed,
  • haggard,
  • consumed,
  • tattered,
  • hackneyed,
  • stale,
  • busted,
  • frayed,
  • tired out,
  • kaput,
  • old,
  • depleted,
  • useless,
  • ragged,
  • threadbare,
  • pinched,
  • ruined,
  • overused,
  • shabby,
  • timeworn,
  • drawn.

Antonyms for Out of gas:

• adj.

  • enervated
    active, strengthened, lively, strong, enthusiastic, invigorated, straight, Energized, refreshed, animated, activated.
  • fatigued
    energetic, keen, vivacious, fresh, untired, alert, unused.
  • feeble
    competent, fit, hearty, efficient, healthy, firm, sound, hardy, expert, powerful, effective, capable, unbreakable, solid, able.
  • powerless
    potent, dominant.
  • wanting
    enough, perfect, sufficient, existing, present, adequate, satisfactory.
  • weak
    guarded, unwavering, noisy, bold, thick, sure, stable, concentrated, safe, secure, loud, definite, certain, protected, brave, steady, confident, unshaky.
  • weary
    happy, satisfied, content, pleased.
  • worn/worn-out
    new.