adjective
1
BAD : Angelo took us to a typical restaurant.
GOOD : Angelo took us to a typical Italian restaurant.
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After typical you usually mention the exact group to which someone or something belongs: 'McGarron looked like a typical American car salesman.' 'The old fireplace and the few pieces of typical Basque furniture give the room a homely atmosphere.'
2
BAD : After dinner it is typical to sing carols.
GOOD : After dinner we usually sing carols.
GOOD : After dinner it is customary to sing carols.
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When you are talking about what usually happens at a particular time of the year, use usually or (especially in formal styles) customary : 'It's customary to kiss the bride.'