Definition of dinner suit in English:

dinner suit

Line breaks: din¦ner suit

noun

A dinner jacket and trousers, worn with a bow tie on formal occasions.
More example sentences
  • She is wearing a low-cut black evening dress, he a dinner suit.
  • He's helped me with a few: "I will get into my skinny dinner suit for Christmas."
  • Four of us took off to Oxford Street at noon to hire dinner suits from the smelliest man in London.

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Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude