opened up; opening up; opens up
Definition of open up
1
: to make available or possible
The discovery opens up the possibility of new cures.
2
: to make plain or visible : disclose
3
: to open by cutting into
1
: to become available or possible
The hostess will let us know when a table opens up.
2
: to spread out or come into view
The road opens up ahead.
3
: to commence firing
4
: to become communicative
tried to get the patient to open up
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Merriam-Webster unabridged
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Time Traveler for open up
The first known use of open up was in 1582
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