open

/ˈoʊpən/ · 2 syllables

Meaning

adjective

1. affording unobstructed entrance and exit; not shut or closed
   “an open door”
2. affording free passage or access
   “open drains”
3. with no protection or shield
   “the exposed northeast frontier”
4. open to or in view of all
   “an open protest”
5. used of mouth or eyes
   “keep your eyes open”
6. not having been filled
   “the job is still open”
7. accessible to all
   “open season”
8. not defended or capable of being defended
   “an open city”
9. (of textures) full of small openings or gaps
   “an open texture”
10. having no protecting cover or enclosure
    “an open boat”
11. (set theory) of an interval that contains neither of its endpoints
12. not brought to a conclusion; subject to further thought
    “an open question”

verb

1. cause to open or to become open
   “Mary opened the car door”
2. start to operate or function or cause to start operating or functioning
   “open a business”
3. become open
   “The door opened”
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”
6. make available
   “This opens up new possibilities”
7. become available
   “an opportunity opened 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. afford access to
    “the door opens to the patio”
11. display the contents of a file or start an application as on a computer

noun

1. a clear or unobstructed space or expanse of land or water
   “finally broke out of the forest into the open”
2. where the air is unconfined
   “he wanted to get outdoors a little”
3. a tournament in which both professionals and amateurs may play
4. information that has become public
   “all the reports were out in the open”

Synonyms for open

• unfastened
• ajar
• wide-open
• opened
• unstoppered
• yawning
• exposed
• unprotected
• public
• agape
• agaze
• wide-eyed
• available
• unrestricted
• assailable
• undefendable
• undefended
• vulnerable
• loose
• coarse
• unenclosed
• undecided
• undetermined
• unresolved
• unsettled
• unsealed
• unconstricted
• receptive
• acceptive
• admissive
• assimilative
• hospitable
• overt
• bald
• naked
• undisguised
• visible
• nonunion
• capable
• subject

Antonyms of open

• shut
• closed
• close

Words that rhyme with open

• reopen
• copen
• koeppen