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| open up |
verb |
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| Definition: |
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1. intransitive verb unfold: to become unclosed, unfold or expand, or offer a broader and freer view to a viewer
 Suddenly the valley opened up before us.
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2. transitive verb make opening in something: to make an opening in something, especially in order to get access
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3. transitive verb remove covering or obstruction from something: to remove anything that closes or covers something, or that blocks, obstructs, or restricts it
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4. transitive and intransitive verb make something accessible: to make something more accessible or available to a wider range of people, or become more accessible
 The Internet has opened up a whole new world of information.
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5. transitive and intransitive verb Same as openv (sense 6)
 A new video store is opening up next week.
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6. transitive and intransitive verb open business for day: to unlock something, especially a store or business, and make it ready for the day
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7. intransitive verb speak freely: to speak honestly, especially about personal feelings or experiences
 She opens up when she gets to know you.
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8. intransitive verb tell what you know: to confess to a crime or give information about a crime under coercion
(
informal
)
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9. intransitive verb start shooting weapon: to start firing or cause a gun or other weapon to start firing
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10. transitive and intransitive verb become or make something more exciting: to become more free-flowing and more interesting or exciting, or cause something to become so
 After the first goal the game opened up.
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11. intransitive verb make vehicle go faster: to cause a motor vehicle to accelerate, or travel at an accelerated speed
(
informal
)
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