open 1 of 3

Definition of opennext
1
as in to unlock
to change from a closed to an open position please open the door to let the cat out

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

2
as in to clear
to make passage through (something) possible by removing obstructions we need to open this drain that's clogged with hair

Synonyms & Similar Words

Antonyms & Near Antonyms

3
as in to expand
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

Synonyms & Similar Words

Antonyms & Near Antonyms

4
as in to free
to rid the surface of (as an area) from things in the way snowplows opened the runway without much trouble

Synonyms & Similar Words

Antonyms & Near Antonyms

5

open

2 of 3

adjective

1
2
as in public
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

Synonyms & Similar Words

Antonyms & Near Antonyms

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open

3 of 3

noun

as in wilderness
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

Synonyms & Similar Words

Synonym Chooser

How does the adjective open contrast with its synonyms?

Some common synonyms of open are exposed, liable, prone, sensitive, subject, and susceptible. While all these words mean "being by nature or through circumstances likely to experience something adverse," open stresses a lack of barriers preventing incurrence.

a claim open to question

When could exposed be used to replace open?

The words exposed and open can be used in similar contexts, but exposed suggests lack of protection or powers of resistance against something actually present or threatening.

exposed to infection

When can liable be used instead of open?

While in some cases nearly identical to open, liable implies a possibility or probability of incurring something because of position, nature, or particular situation.

liable to get lost

When would prone be a good substitute for open?

While the synonyms prone and open are close in meaning, prone stresses natural tendency or propensity to incur something.

prone to delay

When might sensitive be a better fit than open?

The words sensitive and open are synonyms, but do differ in nuance. Specifically, sensitive implies a readiness to respond to or be influenced by forces or stimuli.

unduly sensitive to criticism

When is subject a more appropriate choice than open?

In some situations, the words subject and open are roughly equivalent. However, subject implies an openness for any reason to something that must be suffered or undergone.

all reports are subject to review

When is it sensible to use susceptible instead of open?

The meanings of susceptible and open largely overlap; however, susceptible implies conditions existing in one's nature or individual constitution that make incurrence probable.

very susceptible to flattery

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of open
Verb
Instead, the Bucks are intending to see if a future can be crafted in Milwaukee for Antetokounmpo going forward, or else resume trade negotiations either closer to June’s NBA draft or during the next salary-cap calendar that opens July 1. Ira Winderman, Sun Sentinel, 5 Feb. 2026 The expansion opened in 2024, and speakers along a portion of the trail play music that's tied to the avenue's rich history of Black musicians and music clubs. Domenica Bongiovanni, IndyStar, 5 Feb. 2026
Adjective
Ahead of the observance, some in the Louisville area may wonder what's going to be open. Marina Johnson, Louisville Courier Journal, 11 Feb. 2026 Zoned for agricultural use, it will be kept as open space, Smokey said. Paul Rogers, Mercury News, 11 Feb. 2026
Noun
When does the summer transfer window open? Leon Imber, New York Times, 2 Feb. 2026 The cold open, starring Pete Davidson as White House Border Czar Tom Homan meeting with ICE agents played by Kenan Thompson, James Austin Johnson, Mikey Day, Ben Marshall, Andrew Dismukes, and Jeremy Culhane, had some solid moments. Charu Sinha, Vulture, 1 Feb. 2026 See All Example Sentences for open
Recent Examples of Synonyms for open
Verb
  • But what’s just as valuable, and often overlooked, are the exclusive Prime member-only deals that are unlocked well before everyone else has access, like Amazon’s Presidents Day sales one week early.
    Julia Morlino, Travel + Leisure, 8 Feb. 2026
  • Melting associated with these volcanoes unlocks carbon that’s been trapped inside rocks for thousands of years, bringing it to Earth's surface.
    Ben Mather, Space.com, 7 Feb. 2026
Verb
  • Houston remained up by 15 about a minute later when Clippers coach Tyronn Lue cleared his bench.
    Los Angeles Times, Los Angeles Times, 11 Feb. 2026
  • By Wednesday morning, investigators had left the residence, the scene was cleared, and police tape had been removed.
    Bradford Betz , Matt Finn, FOXNews.com, 11 Feb. 2026
Verb
  • For many schools, that means expanding technical education classes, building partnerships with local businesses, and getting creative with transporting teens — some just on the cusp of learning to drive — to part-time work.
    Carley Lanich, IndyStar, 10 Feb. 2026
  • Powered by rapid advances in embodied intelligence, China’s humanoid robots are advancing rapidly, expanding their potential roles in both industrial settings and home environments.
    Atharva Gosavi, Interesting Engineering, 10 Feb. 2026
Verb
  • People both young and old, lonely and less lonely, those blessed with a family home, and even couples freed up the tram for us.
    Literary Hub, Literary Hub, 13 Feb. 2026
  • Lilia, her mother and her aunt try to free a bird that has made its way into the house.
    Murtada Elfadl, Variety, 13 Feb. 2026
Verb
  • Many are optimistic the recent leadership change will begin to bear fruit.
    Laure Guilbault, Vogue, 10 Feb. 2026
  • The field, north of the mining town of Ballarat, had been used as a campsite during the Australian Gold Rush, which began in 1851 and continued for decades.
    Andrea Margolis, FOXNews.com, 10 Feb. 2026
Adjective
  • What counts as a cleared sidewalk?
    Quinn Clark, jsonline.com, 1 Dec. 2025
Adjective
  • AutoFlight has unveiled Matrix, a five-ton electric vertical takeoff and landing aircraft, and completed a public full-transition flight at its low-altitude test center.
    Aamir Khollam, Interesting Engineering, 6 Feb. 2026
  • Meanwhile, democratic socialist Rae Huang is running against the mayor from her political left on public safety, housing and other issues, appearing at one point with podcaster Hasan Piker.
    David Zahniser, Los Angeles Times, 6 Feb. 2026
Adjective
  • Guthrie was already physically vulnerable.
    Paige Williams, New Yorker, 14 Feb. 2026
  • The expedition collected an unprecedented number of chemical, physical and biological samples that will help scientists understand ecosystem connections, biodiversity patterns and how vulnerable these deep-sea environments may be.
    Ryan Brennan, Kansas City Star, 13 Feb. 2026

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Cite this Entry

“Open.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/open. Accessed 14 Feb. 2026.

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