Synonyms for Can't make the grade:

• adj.

  •Other relevant words: (adjective)
  • unable,
  • ill-equipped,
  • no can do,
  • uncool,
  • not up to,
  • out of place,
  • unpromising,
  • not equal to,
  • laid low,
  • not able,
  • out of shape,
  • sidelined,
  • not fit,
  • inefficient,
  • Unmeet,
  • can't hack it,
  • out of element,
  • unfit,
  • not to,
  • ill-adapted,
  • can't cut it,
  • unfitted,
  • no good,
  • Impuissant,
  • not cut out for.
  •unable (adjective)
  • incapacitated,
  • clumsy,
  • weak,
  • inefficacious,
  • unskilled,
  • unqualified,
  • inept,
  • helpless,
  • incompetent,
  • impotent,
  • incapable,
  • hog-tied,
  • powerless,
  • inadequate,
  • ineffectual,
  • out of commission,
  • inoperative.
  •unfit (adjective)
  • incorrect,
  • flimsy,
  • down,
  • unbecoming,
  • unsuited,
  • infelicitous,
  • poorly,
  • uncongenial,
  • feeble,
  • incompatible,
  • mistaken,
  • ineffective,
  • unlikely,
  • inexpedient,
  • debilitated,
  • inapplicable,
  • inappropriate,
  • useless,
  • rocky,
  • improper,
  • incongruous,
  • unsuitable,
  • valueless,
  • inharmonious,
  • ill-suited,
  • discordant,
  • decrepit,
  • dragging,
  • unhealthy,
  • below par.

• Other synonyms:

  •Other relevant words:
  • improbable,
  • hostile,
  • meaningless,
  • unwise,
  • sickly,
  • slight,
  • land,
  • light,
  • consume,
  • downhearted,
  • cumbersome,
  • watery,
  • unlawful,
  • unequal to,
  • enervated,
  • mismated,
  • cut down,
  • faulty,
  • rickety,
  • amateurish,
  • inapposite,
  • sapless,
  • discrepant,
  • out or keeping,
  • indispose,
  • mastered,
  • seedy,
  • inapt,
  • knock down,
  • down in the mouth,
  • unconvincing,
  • fragile,
  • low-spirited,
  • depressed,
  • incompetent person,
  • go through,
  • pull down,
  • disqualify,
  • gloomy,
  • amateur,
  • drink down,
  • bouldery,
  • faint,
  • misguided,
  • kill,
  • peaked,
  • flea-bitten,
  • indecorous,
  • down feather,
  • adynamic,
  • insalubrious,
  • refine,
  • low,
  • toss off,
  • blue,
  • nerveless,
  • false,
  • lame,
  • pour down,
  • fine-tune,
  • insubstantial,
  • unavailing,
  • ill,
  • pile,
  • unhealthful,
  • demolish,
  • unaccented,
  • disharmonious,
  • ungainly,
  • otiose,
  • run-down,
  • tenuous,
  • push down,
  • feckless,
  • derelict,
  • downwards,
  • unseemly,
  • under the weather,
  • pop,
  • indisposed,
  • down pat,
  • contrastive,
  • undesirable,
  • downcast,
  • bumpy,
  • untoward,
  • ailing,
  • imperfect,
  • gawky,
  • stony,
  • dissonant,
  • woebegone,
  • bouldered,
  • bunglesome,
  • belt down,
  • creaky,
  • stricken,
  • awkward,
  • indecent,
  • downward,
  • unequal,
  • badly,
  • wrong,
  • unsound,
  • downwardly,
  • inexpert,
  • tactless,
  • bungling,
  • frail,
  • unfriendly,
  • inharmonic,
  • jolting,
  • unconventional,
  • uncomely,
  • antagonistic,
  • bolt down,
  • shoot down,
  • lost,
  • polish,
  • fallible,
  • uneffective,
  • unwieldy,
  • unbelievable,
  • thin,
  • unharmonious,
  • unhappy,
  • short,
  • rough,
  • poor,
  • jejune,
  • unfitting,
  • jumpy,
  • clunky,
  • asthenic,
  • onionskin,
  • jolty,
  • ill-sorted,
  • washy,
  • weakly,
  • ill-chosen,
  • futile,
  • dispirited,
  • unwell,
  • devour,
  • infirm,
  • unentitled,
  • bad,
  • grim,
  • fumbling.

Antonyms for Can't make the grade:

• adj.

  • unable
    fit, potent, adequate, capable, qualified, talented, strong, able, skillful, sufficient, competent.
  • unfit
    ready, proper, willing, suitable, appropriate.