Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun blunder

1 sense of blunder

Sense 1
blunder, blooper, bloomer, bungle, pratfall, foul-up, fuckup, flub, botch, boner, boo-boo -- (an embarrassing mistake)
       => mistake, error, fault -- (a wrong action attributable to bad judgment or ignorance or inattention; "he made a bad mistake"; "she was quick to point out my errors"; "I could understand his English in spite of his grammatical faults")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb blunder

3 senses of blunder

Sense 1
drop the ball, sin, blunder, boob, goof -- (commit a faux pas or a fault or make a serious mistake; "I blundered during the job interview")
       => transgress, offend, infract, violate, go against, breach, break -- (act in disregard of laws, rules, contracts, or promises; "offend all laws of humanity"; "violate the basic laws or human civilization"; "break a law"; "break a promise")

Sense 2
fumble, blunder -- (make one's way clumsily or blindly; "He fumbled towards the door")
       => pass, go through, go across -- (go across or through; "We passed the point where the police car had parked"; "A terrible thought went through his mind")

Sense 3
blurt out, blurt, blunder out, blunder, ejaculate -- (utter impulsively; "He blurted out the secret"; "He blundered his stupid ideas")
       => talk, speak, utter, mouth, verbalize, verbalise -- (express in speech; "She talks a lot of nonsense"; "This depressed patient does not verbalize")