Synonyms for No-account:

• adj.

  •irresponsible (adjective)
  • un-accountable,
  • most uncareful,
  • no account,
  • un-answerable,
  • un-stablest,
  • un-trustworthy,
  • illconsidered,
  • un-stabler,
  • un careful,
  • most unanswerable,
  • noaccount,
  • more unanswerable,
  • un stable,
  • more uncareful,
  • un-careful,
  • ill considered,
  • un-predictable,
  • un reliable,
  • fly by night,
  • ill-considered,
  • in cautious,
  • un dependable,
  • in-cautious,
  • un answerable,
  • un predictable,
  • devil may care,
  • un-reliable,
  • un accountable,
  • un-stable,
  • un stabler,
  • un-dependable,
  • un stablest.
  •no-good (adjective)
  • drossier,
  • no good,
  • nogood,
  • drossiest.
  •unimportant (adjective)
  • mere,
  • of no consequence/of little consequence,
  • superficial,
  • irrelevant,
  • unconsidered,
  • minor.
  •unworthy (adjective)
  • unmerited,
  • not deserving,
  • out of place,
  • undeserving,
  • not good enough,
  • not fit,
  • not worth.

• n.

  •
  • nothing,
  • inutile,
  • valueless,
  • value.
  •good-for-naught (noun)
  • good-for-naught.
  •good-for-nothing (noun)
  • good-for-nothing.
  •meritless (noun)
  • meritless.
  •no-account (noun)
  • sorry,
  • no-count.

• Other synonyms:

  •
  • Drossy.
  •
  • failure.
  •nullity
  • nonentity.
  •Other relevant words:
  • insignificant,
  • goof-off,
  • powerless,
  • base,
  • disconsolate,
  • regretful,
  • minute,
  • paltry,
  • lightweight,
  • unimportant,
  • of no account,
  • trashy,
  • sterile,
  • useless,
  • shoddy,
  • impotent,
  • trifling,
  • miserable,
  • abject,
  • inconsequential,
  • forceless,
  • ignoble,
  • nugatory,
  • inconsiderable,
  • unessential,
  • mediocre,
  • ineffectual,
  • inferior,
  • not worth mentioning,
  • goldbrick,
  • unavailing,
  • profitless,
  • sad,
  • contemptible,
  • despicable,
  • niggling,
  • abandoned,
  • poor,
  • waste,
  • pitiful,
  • trivial,
  • unusable,
  • ineffective,
  • dismal,
  • slacker,
  • piddly,
  • peanut,
  • futile,
  • slight,
  • empty,
  • Unauthoritative,
  • unprofitable,
  • wretched,
  • meaningless,
  • bogus,
  • pointless,
  • junk,
  • cheap,
  • shabby,
  • ne'er-do-well,
  • weak,
  • blue,
  • unproductive,
  • featherweight,
  • no-goodnik,
  • junky,
  • chicken,
  • barren,
  • piddling,
  • inefficacious.

Antonyms for No-account:

• adj.

  • worthless
    full, sufficient, filled, fertile, productive, superior, useful.
  • Other antonyms:
    appreciable, conspicuous, diligent, important, ambitious, eventful, measurable, material, significant, striking, industrious, outstanding, remarkable, discernible, momentous, pivotal, noteworthy, substantial, consequential, enterprising, serious, valuable, weighty, prominent, considerable, big.