· cause to open or to become open; "Mary opened the car door"

Synonym(s): open_up

Antonym(s): close

· start to operate or function or cause to start operating or functioning; "open a business"

Synonym(s): open_up

Antonym(s): close

· become open; "The door opened"

Synonym(s): open_up

Hypernym(s): change_state, turn

Antonym(s): close

· begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech"

Hypernym(s): start, start_up, embark_on, commence

Antonym(s): close

· spread out or open from a closed or folded state; "open the map"; "spread your arms"

Synonym(s): unfold, spread, spread_out

Hypernym(s): undo

· make available; "This opens up new possibilities"

Synonym(s): open_up

Hypernym(s): yield, give, afford

· become available; "an opportunity opened up"

Synonym(s): open_up

Hypernym(s): arise, come_up

· have an opening or passage or outlet; "The bedrooms open into the hall"

· make the opening move; "Kasparov opened with a standard opening"

Hypernym(s): move, go

· afford access to; "the door opens to the patio"; "The French doors give onto a terrace"

Synonym(s): afford, give

· display the contents of a file or start an application as on a computer

Hypernym(s): expose, exhibit, display

Antonym(s): close

· used of mouth or eyes; "keep your eyes open"; "his mouth slightly opened"

Synonym(s): open

· made open or clear; "the newly opened road"

· not sealed or having been unsealed; "the letter was already open"; "the opened package lay on the table"

Synonym(s): open