open 1 of 3

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

3
4
5
6
7
8
9

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
What To Know The Gloria Funicular, which first opened in 1885, is a popular Lisbon landmark for tourists, and can carry up to 42 people at a time. Hannah Parry, MSNBC Newsweek, 4 Sep. 2025 Advertisement First opened in 1885, the Glória funicular was electrified in 1915. Miranda Jeyaretnam, Time, 4 Sep. 2025
Adjective
The hotel said the new flights mark the first semi-private route to be scheduled weekly between the mainland United States and Hawaii open to all travelers. Katie Nadworny, Travel + Leisure, 6 Sep. 2025 Barker shows him no mercy for his actions, but leaves the door open to darker introspection. Christian Zilko, IndieWire, 6 Sep. 2025
Noun
Shorter days and less powerful sun mean these can go right out in the open with no need for shade. Andy Wilcox, Better Homes & Gardens, 1 Sep. 2025 About 354 million people worldwide have no toilet available and must defecate in the open, which can create health hazards, according to WHO. Jonathan Lambert, NPR, 28 Aug. 2025 See All Example Sentences for open
Recent Examples of Synonyms for open
Verb
  • This will cover your initial $5 bet to unlock your bonus bets and the NFL Season Ticket discount.
    Tyler Everett, MSNBC Newsweek, 4 Sep. 2025
  • But to unlock it, individuals must first master themselves.
    Elan Gepner-Dales, Rolling Stone, 3 Sep. 2025
Verb
  • Lazarus didn’t have to clear his Belichick strategy with Dykes, or anyone else in the program or at the school.
    Sean Gregory, Time, 3 Sep. 2025
  • But Hinson is unlikely to clear the field.
    Samantha-Jo Roth, The Washington Examiner, 3 Sep. 2025
Verb
  • The tournament expanded from 24 teams to 32 at the start of the 1999-2000 season, with a second group stage then played before being replaced with the round of 16 in 2003-04.
    Will Jeanes, New York Times, 4 Sep. 2025
  • This shift is reinforced by Russia’s push to expand its eastward infrastructure through the Power of Siberia pipelines cementing a more permanent divide in global energy markets.
    Earl Carr, Forbes.com, 4 Sep. 2025
Verb
  • Of the survivors, Superman works with Raven to find Constantine and help locate Robin, who’s on a quest to free Batman from slavery.
    Will Harris, Entertainment Weekly, 6 Sep. 2025
  • His fellow firefighters, including Gallagher —who was injured during the rescue — used extra manpower and tools to free him before he was stabilized at the scene and flown by CareFlite to the hospital, the department said.
    Shambhavi Rimal, Fort Worth Star-Telegram, 5 Sep. 2025
Verb
  • Because, immediately, journeyman Jones threw five passes on the first five plays to began attacking the NFL’s weakest starting cornerbacks — a situation too obvious for the club to have gone the entire offseason not doing enough to remedy.
    Miami Herald, Miami Herald, 8 Sep. 2025
  • To counter the explosive projectiles, Russian tank crews began mounting homemade cages above their turrets to cushion the tanks from blasts.
    Marco Hernandez, New York Times, 8 Sep. 2025
Adjective
  • Further surveys followed along with two public consultations attracting 60,000 people.
    Richard Sutcliffe, New York Times, 6 Sep. 2025
  • And even in the approximately two dozen states where names are disclosed, winners are advised to avoid public scrutiny.
    Safiyah Riddle, Chicago Tribune, 6 Sep. 2025
Adjective
  • Last month, the Food and Drug Administration granted approval for COVID-19 vaccine doses for people over age 65, who are most vulnerable to severe infections.
    Jenny Goldsberry, The Washington Examiner, 8 Sep. 2025
  • Recent studies have shown entry-level positions especially vulnerable to automation are being scaled back thanks to AI.
    Marco Quiroz-Gutierrez, Fortune, 8 Sep. 2025
Adjective
  • But all friends need to be honest with each other, to tell each other home truths when it’s needed, to confront those awkward moments without fear of the reaction.
    Steve Sedgwick, CNBC, 9 Sep. 2025
  • But when those larger firms start to adopt similar habits—open forums, early interventions, honest check-ins—things change fast.
    Stephan Lendi, Forbes.com, 8 Sep. 2025

Browse Nearby Words

Cite this Entry

“Open.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/open. Accessed 9 Sep. 2025.

More from Merriam-Webster on open

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!