Synonyms for Tidy sum:

• adj.

  •countless (adjective)
  • legion,
  • limitless,
  • measureless,
  • slew,
  • loads,
  • uncountable,
  • peck,
  • pile,
  • immeasurable,
  • oodles,
  • wad,
  • mint,
  • numberless,
  • stack,
  • Jillion,
  • incalculable,
  • mess,
  • endless,
  • raft,
  • untold,
  • myriad,
  • multitudinous,
  • gobs,
  • uncounted,
  • heap.

• n.

  •
  • rich.
  •amount (noun)
  • damage,
  • addition,
  • aggregate,
  • expense,
  • tab,
  • body,
  • budget,
  • output,
  • set-back,
  • score,
  • outlay,
  • lot,
  • product,
  • all,
  • sum,
  • net,
  • out lay,
  • entirety,
  • set backs,
  • bad news,
  • cost,
  • price tag,
  • quantum,
  • whole,
  • list,
  • extent.
  •batch (noun)
  • batch.
  •flock (noun)
  • flock.
  •good deal (noun)
  • good deal.
  •great deal (noun)
  • great deal.
  •hatful (noun)
  • hatful.
  •plenty (noun)
  • plenty.
  •quite a little (noun)
  • quite a little.
  •spate (noun)
  • spate.
  •tidy sum (noun)
  • pot,
  • sight,
  • whole lot,
  • deal,
  • mickle,
  • mass,
  • muckle.

• Other synonyms:

  •adj.
  • infinite,
  • many,
  • scads,
  • umpteen,
  • whole slew,
  • Messer,
  • mucho,
  • countless,
  • innumerous,
  • stacker,
  • zillion,
  • Heaper,
  • Piler,
  • pecker,
  • bags of,
  • lots of,
  • passel of,
  • wadder.
  •n.
  • amount,
  • dorado,
  • king's ransom,
  • large indefinite amount,
  • large indefinite quantity,
  • dorados,
  • pretty penny,
  • end of rainbow,
  • pot of gold,
  • end of the rainbow,
  • good sum,
  • large sum,
  • weight in gold.

Antonyms for Tidy sum:

• adj.

  • countless
    few, countable, numerable, measurable, Counted, calculable, Numbered, limited.

• n.

  • amount
    part, individual, one.