Blunder (Verb)
Meaning 1
Utter impulsively; "He blurted out the secret"; "He blundered his stupid ideas".
Classification
Verbs of telling, asking, ordering, singing.
Synonyms
Hypernyms
Meaning 2
Make one's way clumsily or blindly; "He fumbled towards the door".
Classification
Verbs of walking, flying, swimming.
Synonyms
Hypernyms
Meaning 3
Commit a faux pas or a fault or make a serious mistake; "I blundered during the job interview".
Classification
Verbs of political and social activities and events.