Meanings
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1
adj
Following accepted rules of polite or official behaviour, dress, or language.
The wedding was a very formal occasion.
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2
adj
Official and done in a serious, public way.
I'd like to make a formal complaint.
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3
adj
Of language, careful and correct, not casual or conversational.
The report was written in formal English.
Thesaurus
Common collocations
Etymology
From Middle English formel, borrowed from Old French formel, from Latin fōrmālis, from fōrma (“form”); equivalent to form + -al.
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