mistake

Synonyms: aberration blooper blunder boo-boo bungle confusion delusion erratum false move false step fault faux pas flub fluff gaffe illusion inaccuracy inadvertence lapse misapplication misapprehension miscalculation misconception misinterpretation misjudgment misprint misstatement misstep muddle neglect omission overestimation oversight slight slip slip of tongue slipup snafu solecism trip typographical error underestimation

Antonyms: accuracy calculation certainty correction correctness proof success truth understanding

Synonyms: addle be off the mark be wrong blunder botch bungle confound confuse deceive oneself err fail get wrong goof have wrong impression jumble lapse make a mess misapprehend miscalculate misconceive misconstrue miscount misdeem misinterpret misjudge misknow misread miss miss the boat not know omit overestimate overlook put foot in slip slip up snarl take for tangle underestimate

Antonyms: be certain be sure comprehend interpret perceive understand