Definition of doofus in English:

doofus

Syllabification: doo·fus
Pronunciation: /ˈdo͞ofəs
 
/
(also dufus)

noun (plural doofuses)

North American informal
  • A stupid person.
    More example sentences
    • So I'm not saying that you're wrong, exactly, that we shouldn't portray men as doofuses as often as we do; I just think that the cure is probably worse than the disease.
    • If you happen to be short-waisted as well, you look like a doofus with your blouse tucked in.
    • He got to help the White House wiggle out of unpleasant moments by asking questions worthy of a doofus.

Origin

1960s: perhaps an alteration of goofus, or from Scots doof 'dolt'.

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Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody