Synonyms for Under-estimations:

• n.

  •disparagement (noun)
  • derogation,
  • blame,
  • degradation,
  • lessening,
  • contumely,
  • contempt,
  • derision,
  • aspersion,
  • disdain,
  • tale,
  • lie,
  • condemnation,
  • ridicule,
  • calumny,
  • scandal,
  • Backbiting,
  • backstabbing,
  • prejudice,
  • underestimation,
  • denunciation,
  • reproach,
  • censure,
  • belittlement,
  • depreciation,
  • impairment,
  • scorn,
  • slander,
  • discredit,
  • debasement.
  •miscalculation (noun)
  • error,
  • misreckoning,
  • overvaluation,
  • mixup,
  • blow,
  • miscount,
  • undervaluation,
  • misunderstanding,
  • misestimation,
  • miss.
  •misestimation (noun)
  • misestimate.
  •mistake (noun)
  • faux pas,
  • misconception,
  • fault,
  • trip,
  • misapprehension,
  • gaffe,
  • inadvertence,
  • aberration,
  • flub,
  • misstep,
  • misprint,
  • blunder,
  • slip,
  • blooper,
  • solecism,
  • neglect,
  • erratum,
  • false step,
  • muddle,
  • confusion,
  • miscalculation,
  • bungle,
  • illusion,
  • Misjudgment,
  • lapse,
  • oversight,
  • typographical error,
  • snafu,
  • misinterpretation,
  • fluff,
  • omission,
  • overestimation,
  • misapplication,
  • misstatement,
  • false move,
  • slight,
  • slip of tongue,
  • boo-boo,
  • inaccuracy,
  • delusion,
  • slipup.
  •understatement (noun)
  • litotes,
  • distortion,
  • underestimate,
  • restraint.

Antonyms for Under-estimations:

• n.

  • disparagement
    exoneration, approval, commendation, praise, sanction, endorsement, honor, regard, compliment, love, flattery, respect, admiration.
  • mistake
    fact, proof, correction, remembrance, soundness, truth, correctness, perfection, reality, certainty, understanding, calculation, accuracy, success.
  • understatement
    overstatement, exaggeration.