Englishfor English speakers
formal
Adjective
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If something is formal, it is official and/or public.
He studied German on his own, but he has no formal language education.
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Formal behaviour or dress is used in polite situations.
Please wear suit and tie because the restaurant is quite formal.
behaviour
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noun
(= behavior)
(psychology) the aggregate of the responses or reactions or movements made by an organism in any situation
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noun
(= behavior)
manner of acting or controlling yourself
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noun
(= behavior)
the action or reaction of something (as a machine or substance) under specified circumstances
the behavior of small particles can be studied in experiments
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noun
(= demeanor)
(behavioral attributes) the way a person behaves toward other people