WordWeb Online

1. Used of mouth or eyes
   "his mouth slightly opened"
   - open
    
2. Made open or clear
   "the newly opened road"
    
3. Not sealed or having been unsealed
   "the opened package lay on the table"
   - open

1. Cause to allow entrance or exit; allow entry after being shut
   "Mary opened the car door"; "Mary opened up the car door"
   - open up
    
2. Start to operate or function or cause to start operating or functioning
   "open a business"; "open up a business"
   - open up
    
3. Become open
   "The door opened"; "The door opened up"
   - open up
    
4. Begin or set in action, of meetings, speeches, recitals, etc.
   "He opened the meeting with a long speech"
    
5. Spread out or open from a closed or folded state
   "open the map"
   - unfold, spread, spread out
    
6. Make available
   "This opens up new possibilities"
   - open up
    
7. Become available
   "an opportunity opened up"
   - open up
    
8. Have an opening or passage or outlet
   "The bedrooms open into the hall"
    
9. Make the opening move
   "Kasparov opened with a standard opening"
    
10. Provide entry or access to
    "the door opens to the patio"
    - afford, give
     
11. Display the contents of a file or start an application as on a computer

See also: agape, agaze, gaping, open, open up, opener, opening, staring, unsealed, wide, wide-eyed, yawning

Type of: afford, arise, change state, come up, commence, display, embark on, exhibit, expose, give, go, move, start, start up, turn, undo, yield

Antonym: close

Encyclopedia: Open, Again Open Open, sesame Open, closed, open