Be in error, bloomer, corrigendum, be at fault, and be barking up the wrong tree are all synonyms for mistake. Accuracy and perfection are antonyms of mistake. And here are 58 another word for mistake.
Bloomer, blunder, boner, boo-boo, boob, clanger, error, fail, fallacy, fault, faux pas, flaw, gaffe, goof, howler, inaccuracy, misapprehension, miscalculation, misconception, misinterpretation, misreading, misunderstanding, omission, oversight, slip-up, slip, solecism, and misreckoning are all synonyms for mistake.
Corrigendum, erratum, keyboarding error/mistake, keying error/mistake, literal, misprint, printing error/mistake, typesetting error/mistake, typing error/mistake, typographical error/mistake, and typo are all another word for mistake.
Be at fault, be barking up the wrong tree, be in error, be misguided, be misinformed, be under a misapprehension, be wide of the mark, be wrong, get wrong, misapprehend, misconstrue, misinterpret, misread, miss, misunderstand, put a wrong interpretation on, take amiss, and get the wrong end of the stick are all synonyms for mistake.
Mistake synonym page has a variety of synonyms that differ in length. 6 synonyms with 4 letters and 4 synonyms with 5, 8, 9, and 23 letters. 3 synonyms with 6, 11, and 13 letters and 9 synonyms with 7 letters.
2 synonyms with 10, 12, 15, 18, and 25 letters and 1 synonym with 14, 16, 17, and 20 letters. For a total of 54 another word for mistake.
Everyone makes a mistake sometimes.
She quickly corrected her mistake.
That mistake cost him dearly.
Learning from mistakes is essential.