"blundered" in the verb 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"
2. fumble, blunder
make one's way clumsily or blindly
"He fumbled towards the door"
3. blurt out, blurt, blunder out, blunder, ejaculate
utter impulsively
"He blurted out the secret"
"He blundered his stupid ideas"
Source: WordNet® (An amazing lexical database of English)
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