The difference between Build up and Close off
When used as verbs, build up means to erect, whereas close off means to seal or block the entrance to a road, an area, or a building so that people cannot enter.
check bellow for the other definitions of Build up and Close off
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Build up as a verb:
To erect; to construct.
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Build up as a verb:
To close up by building.
Examples:
"to build up a door"
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Build up as a verb (intransitive, transitive, idiomatic):
To accumulate, to pile up, to increase in stages.
Examples:
"Ever since the secretary left, the letters in my inbox have started to build up."
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Build up as a verb (transitive, idiomatic):
To strengthen.
Examples:
"They had to build up their fortress to protect against attack."
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Build up as a verb (card games):
In solitaire card games, to place a card over another card of lower value. (e.g., place 5♦ over 4♣)
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Build up as a noun:
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Close off as a verb:
To seal or block the entrance to a road, an area, or a building so that people cannot enter.
Examples:
"The police closed off the street while they investigated the murder scene."