blunders
blun-ders
noun
Serious, careless mistakes, often caused by stupidity or ignorance.
"His political blunders cost him the election."
verb
Makes a stupid or careless mistake; moves clumsily or without direction.
"He often blunders when speaking publicly."
Thesaurus
Synonyms: fumble, blurt, blunder out, blurt out, ejaculate, blooper, boo-boo, bloomer, boner, botch, flub, bungle