Synonyms for Substandard:

• adj.

  •all (adjective)
  • substandard,
  • deficient.
  •bad (adjective)
  • the pits,
  • bottom out,
  • not good,
  • cruddy,
  • junky,
  • godawful,
  • grody,
  • sad.
  •below par (adjective)
  • more offform,
  • most off-form,
  • off form,
  • most off form,
  • more off-form,
  • most offform,
  • under weather,
  • offform,
  • more off form.
  •deficient (adjective)
  • wanting.
  •imperfect (adjective)
  • faulty.
  •inferior (adjective)
  • low-quality,
  • low-rent.
  •low (adjective)
  • cut-rate,
  • cut rate,
  • uncostly,
  • lower,
  • marked down.
  •low-grade (adjective)
  • lowgrade,
  • low grade.
  •low-quality (adjective)
  • lowquality.
  •off (adjective)
  • dis pleasing,
  • not up snuff,
  • most unrewarding,
  • dis-pleasing,
  • not up par,
  • de composed,
  • most decomposed,
  • more unrewarding,
  • more turned,
  • most disheartening,
  • dis heartening,
  • dis-heartening,
  • most mortifying,
  • de-composed,
  • more decomposed,
  • not to snuff,
  • most turned,
  • dis-appointing,
  • not snuff,
  • un rewarding,
  • not par,
  • more disheartening,
  • not to par,
  • dis appointing,
  • not up to snuff,
  • more mortifying,
  • un-rewarding.
  •Other relevant words: (adjective)
  • weak,
  • low,
  • below average,
  • suboptimal,
  • not good enough,
  • unrewarding,
  • low quality,
  • in default,
  • too little too late,
  • off,
  • out of gas,
  • rotten,
  • poor,
  • second-best,
  • below par,
  • bad,
  • not up to par,
  • inferior,
  • off-form,
  • not oneself.
  •poor (adjective)
  • poorer,
  • SUBPAR.,
  • subnormal,
  • niggardly.
  •rotten (adjective)
  • more bruised,
  • un-sound,
  • un sounder,
  • punkest,
  • un-pleasant,
  • dis agreeable,
  • un luckiest,
  • un luckier,
  • un happy,
  • un lucky,
  • dis-eased,
  • punker,
  • un pleasant,
  • dis eased,
  • un fortunate,
  • un-lucky,
  • un sound,
  • most bruised,
  • un-happy,
  • un-sounder,
  • un-fortunate,
  • un happier,
  • un-luckier,
  • dis-agreeable,
  • bummest,
  • un happiest,
  • un-soundest.
  •second-class (adjective)
  • second-class.
  •second-rate (adjective)
  • most second best,
  • most secondbest,
  • secondbest,
  • most second-best,
  • more secondbest,
  • second rate,
  • more second best,
  • secondrate,
  • more second-best.
  •second-rate/second-class (adjective)
  • most secondrate,
  • cheap dirty,
  • cheap and dirty.
  •wanting (adjective)
  • de-void,
  • de void,
  • more unfulfilled,
  • un fulfilled,
  • co oked,
  • most away,
  • be-reft,
  • more away,
  • more cooked,
  • un-fulfilled,
  • most unfulfilled,
  • unfulfilled,
  • most cooked,
  • out gas,
  • co-oked,
  • be reft.
  •weak (adjective)
  • forceless,
  • weakest.

• n.

  •
  • mediocre.
  •inferior (noun)
  • cheap.
  •irregular (noun)
  • irregular.
  •nonstandard (noun)
  • nonstandard.
  •Other relevant words: (noun)
  • quality.

• Other synonyms:

  •
  • makeshift,
  • undistinguished,
  • Overrated,
  • unsatisfying,
  • unusable,
  • bearable,
  • colloquial,
  • disappointing,
  • unimpressive,
  • second class,
  • fallible,
  • unspectacular,
  • livable.
  •
  • questionable,
  • imperfect,
  • second-rate,
  • indifferent,
  • low-grade,
  • feeble.
  •
  • unfit,
  • iffy,
  • below.
  •
  • shabby,
  • crack-up.
  •
  • jar.
  •
  • common.

Paraphrases for Substandard:

• Independent

  • Adjective
    inferior, deficient, non-standard, unhealthy, precarious, mediocre, inappropriate, insufficient, low-standard, unqualified, bad, low-grade, unsafe, unhygienic, non-compliant, unsuitable, defective, weak, lacklustre, flawed, objectionable, Standards, disabled, faulty, imperfect, unfit, handicapped.

• Other Related

  • Adjective
    inadequate, unsatisfactory, insanitary, low-quality, unsanitary, poor-quality, insalubrious, shoddy, poor, undersized, standard, short.

Antonyms for Substandard:

• adj.

  • inferior
    good.
  • Other antonyms:
    mean, passable, high-grade, jim-dandy, classical, borderline, acceptable, sensational, gratifying, keen, mediocre, better, satisfying, exceptional, tolerable, useful, sufficient, A1, unexceptional, premium, so-so, minimal, respectable, fancy, adequate, fair, middling, perfect, average, special, suitable, first class, decent.