Open — Meaning, Definition & Synonyms

adjective verb noun /ˈō-pən/

Meaning & Definition of Open

Open (adjective)

  1. having no enclosing or confining barrier, accessible on all or nearly all sides
  2. being in a position or adjustment to permit passage, not shut, sealed, or locked
  3. having a barrier (such as a door) so adjusted as to allow passage

Open (verb)

  1. to move (something, such as a door) from a closed position
  2. to make available for entry or passage by turning back (something, such as a barrier) or removing (something, such as a cover or an obstruction)
  3. to make available for or active in a regular function

Open (noun)

  1. opening
  2. open and unobstructed space
  3. open air

Open (verb) — Senses, Synonyms & Antonyms

  1. to change from a closed to an open position

    "please open the door to let the cat out"

    similar: unclose
    opposite: close, shut
  2. to make passage through (something) possible by removing obstructions

    "we need to open this drain that's clogged with hair"

  3. to arrange the parts of (something) over a wider area

    "when we got too close, the cardinal opened its wings and flew to a higher branch"

    related: overspread
    opposite: close, contract, fold
  4. to rid the surface of (as an area) from things in the way

    "snowplows opened the runway without much trouble"

    similar: clear, free, unblock
    opposite: block
  5. to take the first step in (a process or course of action)

    "we will open the proceedings tomorrow with a short ceremony"

Open (adjective) — Senses, Synonyms & Antonyms

  1. allowing passage without obstruction

    "thank you for clearing out the hallway so that it's open again"

  2. freely available for use or participation by all

    "the lanes at the bowling alley will be open during the afternoon, but will be available only for league play in the evening"

  3. being in a situation where one is likely to meet with harm

    "the country's open to invasion if its borders remain unguarded"

  4. free in expressing one's true feelings and opinions

    "a talkative and open child who tells people more than they want to know"

  5. lacking a usual or natural covering

    "open wounds in his legs"

    opposite: covered
  6. not known by only a select few

    "the two boxers have an open dislike for each other"

    similar: public, on record
  7. not yet settled or decided

    "that issue will have to remain open until the supervisor can decide"

  8. willing to consider new or different ideas

    "she is always open and ready to listen to anyone's suggestions"

  9. giving or sharing in abundance and without hesitation

    "he's very open with his opinions, many of which are not welcome"

Open (noun) — Senses, Synonyms & Antonyms

  1. that part of the physical world that is removed from human habitation

    "a daguerreotype of a cowboy whose face is roughened from a hard life in the open"

Related Entry: Open-air (adjective)

Open-air is a different word from Open. The synonyms below are for open-air, not for open.

  1. of, relating to, or held in the open air

    "an open-air concert under the stars"

    opposite: indoor

Related Entry: Open air (noun)

Open air is a different word from Open. The synonyms below are for open air, not for open.

  1. that part of the physical world that is removed from human habitation

    "a family of city dwellers who can't wait to go camping in the open air"

Related Entry: Open-and-shut (adjective)

Open-and-shut is a different word from Open. The synonyms below are for open-and-shut, not for open.

  1. not subject to misinterpretation or more than one interpretation

    "an open-and-shut case of robbery"

Related Entry: Open-eyed (adjective)

Open-eyed is a different word from Open. The synonyms below are for open-eyed, not for open.

  1. paying close attention usually for the purpose of anticipating approaching danger or opportunity

    "an open-eyed deer cautiously grazed in the backyard"

    opposite: asleep

Related Entry: Open-minded (adjective)

Open-minded is a different word from Open. The synonyms below are for open-minded, not for open.

  1. willing to consider new or different ideas

    "all I ask is that you try to be open-minded when we present our suggestions"

  2. not bound by traditional ways or beliefs

    "younger people are often more open-minded on social and political issues"

Related Entry: Open-mouthed (adjective)

Open-mouthed is a different word from Open. The synonyms below are for open-mouthed, not for open.

  1. filled with amazement or wonder

    "the stunning view from the mountaintop left us open-mouthed and at a loss for words"

Related Entry: Open sesame (noun)

Open sesame is a different word from Open. The synonyms below are for open sesame, not for open.

  1. something that allows someone to achieve a desired goal

    "it turned out that a simple please was the open sesame for charming the hotel manager into giving us a room with a better view"

Synonyms, Thesaurus & Another Word for Open

The most common words with a similar meaning to Open:

Antonyms & Opposite Words for Open

Words with the opposite meaning of Open:

Near Antonyms of Open

Word Forms of Open

Inflections: opener, openest, opened, opening

Derived words: open (adverb), openly (adverb), openness (noun), openability (noun), openable (adjective)

Origin & Etymology of Open

Middle English, from Old English; akin to Old High German offan open, Old English ūp up

First known use: before 12th century

Vocabulary Lists & Topics for Open

Words & Phrases Containing Open

Frequently Asked Questions about Open

What does "Open" mean?

"Open" means having no enclosing or confining barrier, accessible on all or nearly all sides. As an an adjective, a verb and a noun, it is defined as: having no enclosing or confining barrier, accessible on all or nearly all sides. It has 15 distinct senses.

What is another word for "Open"?

Other words for "Open" include unclose, clear, free, unclog, unplug, unstop, expand and extend. The best synonym depends on which meaning of "Open" you intend.

What are different ways to say "Open"?

There are 314 words and phrases with a similar meaning to "Open". Common alternatives include unclose, clear, free, unclog, unplug, unstop, expand, extend, fan (out) and flare (out).

What is the opposite of "Open"?

Antonyms of "Open" include close, shut, block, clog (up), dam (up), plug (up), stop and contract. Near antonyms include bar, bolt, clasp and fasten.

How do you use "Open" in a sentence?

Examples of "Open" in a sentence: "please open the door to let the cat out"; "we need to open this drain that's clogged with hair"; "when we got too close, the cardinal opened its wings and flew to a higher branch".

Is "Open" a noun, verb, or adjective?

"Open" can be used as an adjective, a verb and a noun, depending on the context.

Is "Open" useful for IELTS, TOEFL, and other English exams?

As an A1-level word, "Open" is typical of Cambridge A1 Movers (Young Learners), TOEIC Listening & Reading 120+.

How do you pronounce "Open"?

"Open" is pronounced /ˈō-pən/.