Synonyms for Drop the ball:

• v.

  •blunder (verb)
  • bumble,
  • mess up,
  • botch,
  • blow,
  • louse up,
  • gum up,
  • screw up,
  • foul up,
  • fumble,
  • flub,
  • confuse,
  • ball up.
  •bungle (verb)
  • butcher,
  • muff,
  • ruin,
  • spoil,
  • fudge,
  • boggle,
  • mismanage.
  •err (verb)
  • goof,
  • go astray,
  • bollix,
  • wander,
  • sin,
  • misbehave,
  • lapse,
  • deviate,
  • trespass,
  • be incorrect,
  • transgress,
  • stray,
  • fall,
  • misapprehend,
  • be in error,
  • offend,
  • snarl up,
  • go wrong,
  • boo-boo,
  • be inaccurate,
  • be mistaken,
  • snafu.
  •falter (verb)
  • hem and haw,
  • fluff,
  • totter,
  • teeter,
  • reel,
  • waver,
  • shake,
  • topple,
  • vacillate,
  • stammer,
  • stagger,
  • tremble,
  • rock,
  • break,
  • fluctuate,
  • hesitate,
  • halt,
  • quaver,
  • roll.
  •flounder (verb)
  • grope,
  • strive,
  • go to pieces,
  • muddle,
  • toss,
  • thrash,
  • labor,
  • flummox,
  • toil,
  • flop,
  • tumble,
  • travail,
  • plunge,
  • wallow.
  •slip (verb)
  • make a mistake.

• Other synonyms:

  •err
  • bollixing,
  • booboo,
  • goes astray,
  • snafued,
  • slip,
  • going astray,
  • goes wrong,
  • was mistaken,
  • boo-boos,
  • snarled up,
  • going wrong,
  • went astray,
  • Transgressed,
  • bollixed,
  • booboos.

Antonyms for Drop the ball:

• v.

  • blunder
    correct, succeed, restore, do well, fix.
  • bungle
    grow, manage, help.
  • err
    behave, stay, understand, obey.
  • falter
    persist, maintain, remain, calm, hold, steady, endure, stabilize, continue.
  • flounder
    idle, laze.
  • miscalculate
    pay attention, attend, respect, regard, do correctly, figure correctly, get, perceive.
  • misestimate
    exaggerate, overrate.
  • misjudge
    comprehend, figure, judge well, disbelieve.
  • miss
    find, remember, face, achieve, note, meet, notice, DO, look at, keep, heed, accomplish.
  • slip
    perfect.