Synonyms for Of no account:

• adj.

  •immaterial (adjective)
  • inapplicable,
  • inconsequential,
  • extraneous,
  • insignificant,
  • no big deal,
  • foreign,
  • meaningless,
  • of no account,
  • Irrelative,
  • inappropriate,
  • inapposite,
  • inconsiderate,
  • of no importance,
  • inessential,
  • impertinent,
  • no never mind,
  • of no consequence,
  • unnecessary,
  • matter of indifference.
  •inconsiderable (adjective)
  • inconsequent,
  • narrow-minded,
  • lower,
  • pettifogging,
  • secondary,
  • scratch,
  • subordinate,
  • penny-ante,
  • inferior,
  • scratcher,
  • shabby,
  • contemptible,
  • lesser,
  • peanut,
  • junior,
  • measly,
  • shallow,
  • nickel-and-dime,
  • small-minded,
  • two-bit,
  • penny ante,
  • light,
  • base,
  • cheap.
  •lightweight (adjective)
  • featherweight,
  • petty,
  • foolish,
  • paltry,
  • worthless,
  • slight,
  • failing,
  • incompetent,
  • Imponderous,
  • weightless.
  •picayune (adjective)
  • frivolous,
  • superficial,
  • irrelevant,
  • trite,
  • incidental,
  • minute,
  • meager,
  • diminutive,
  • everyday,
  • mean,
  • nonessential.
  •trivial (adjective)
  • evanescent,
  • commonplace,
  • atomic,
  • beside the point,
  • skin-deep,
  • scanty,
  • flimsy,
  • valueless,
  • inappreciable,
  • microscopic,
  • vanishing,
  • momentary.
  •unimportant (adjective)
  • indifferent,
  • frothy,
  • casual,
  • nothing*,
  • zipper,
  • zip,
  • null,
  • low-ranking,
  • second-rate,
  • shoestring,
  • zero*,
  • zilch.

• Other synonyms:

  •
  • trifling,
  • piddling,
  • niggling,
  • nugatory,
  • inconsiderable.
  •Other relevant words:
  • impotent,
  • powerless,
  • little,
  • small-time,
  • useless,
  • dinky,
  • negligible,
  • minor,
  • forceless,
  • twopenny-halfpenny,
  • small,
  • no-account,
  • no great shakes,
  • ineffectual,
  • weak,
  • puny,
  • ineffective.

Antonyms for Of no account:

• adj.

  • immaterial
    essential, material, relevant, important, substantial, meaningful.
  • lightweight
    big, consequential, major, heavyweight.
  • trivial
    worthwhile, weighty, useful, valuable, significant.
  • unimportant
    serious.