open up

verb

1. cause to open or to become open (Freq. 2)

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Mary opened the car door

• Syn: ↑open

• Ant: ↑close (for: ↑open)

• Derivationally related forms: ↑opener (for: ↑open), ↑opening (for: ↑open)

• Hyponyms:

↑unbar, ↑break open, ↑click open, ↑reopen, ↑unlock, ↑unbolt, ↑unseal, ↑uncork, ↑pry, ↑prise, ↑prize, ↑lever, ↑jimmy, ↑gap, ↑breach, ↑lance

• Cause: ↑open

• Verb Frames:

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Somebody ——s something

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Something ——s something

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They want to open up the doors

2. make available (Freq. 2)

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This opens up new possibilities

• Syn: ↑open

• Derivationally related forms: ↑opening (for: ↑open)

• Hypernyms: ↑yield, ↑give, ↑afford

• Cause: ↑open

• Verb Frames:

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Somebody ——s something

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Something ——s something

3. become available (Freq. 2)

-

an opportunity opened up

• Syn: ↑open

• Derivationally related forms: ↑opening (for: ↑open)

• Hypernyms: ↑arise, ↑come up

• Verb Frames:

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Something ——s

4. open up an area or prepare a way (Freq. 1)

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She pioneered a graduate program for women students

• Syn: ↑pioneer

• Derivationally related forms: ↑pioneer (for: ↑pioneer)

• Hypernyms: ↑introduce, ↑innovate

• Verb Frames:

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Somebody ——s something

5. start to operate or function or cause to start operating or functioning

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open a business

• Syn: ↑open

• Ant: ↑close (for: ↑open)

• Derivationally related forms: ↑opening (for: ↑open)

• Hyponyms: ↑establish, ↑set up, ↑found, ↑launch

• Verb Frames:

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Something ——s

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Somebody ——s something

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The business is going to open up

6. become open

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The door opened

• Syn: ↑open

• Ant: ↑close (for: ↑open)

• Derivationally related forms: ↑opening (for: ↑open)

• Hypernyms: ↑change state, ↑turn

• Hyponyms: ↑unfasten, ↑fly open

• Verb Frames:

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Something ——s

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The doors open up

7. talk freely and without inhibition

• Ant: ↑close up

• Hypernyms: ↑talk, ↑speak, ↑utter, ↑mouth, ↑verbalize, ↑verbalise

• Verb Frames:

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Somebody ——s

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Sam and Sue open up