back 1 of 5

Definition of backnext
1
as in ago
earlier than the present time that's longer back than I can remember

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

2
3

back

2 of 5

noun (1)

1
as in rear
a behind part or surface the back of the page was blank

Synonyms & Similar Words

Antonyms & Near Antonyms

2
as in jugular
a vulnerable point a candidate needing a loyal aide who can be relied upon to always watch his back

Synonyms & Similar Words

back

3 of 5

verb

1
2
3
as in to reinforce
to provide evidence or information for (as a claim or idea) the author needs to back her thesis with more facts

Synonyms & Similar Words

Antonyms & Near Antonyms

back

4 of 5

adjective

as in hind
being at or in the part of something opposite the front part she carried all the presents in the back door, as the children were playing in the front yard

Synonyms & Similar Words

Antonyms & Near Antonyms

backer

5 of 5

noun (2)

1
2
as in sponsor
a person who takes the responsibility for some other person or thing all financial backers will be expected to offer some input into the company's decisions

Synonyms & Similar Words

3

Synonym Chooser

How is the word back different from other verbs like it?

Some common synonyms of back are advocate, champion, support, and uphold. While all these words mean "to favor actively one that meets opposition," back suggests supporting by lending assistance to one failing or falling.

refusing to back the call for sanctions

When can advocate be used instead of back?

While the synonyms advocate and back are close in meaning, advocate stresses urging or pleading.

advocated prison reform

Where would champion be a reasonable alternative to back?

The words champion and back are synonyms, but do differ in nuance. Specifically, champion suggests publicly defending one unjustly attacked or too weak to advocate his or her own cause.

championed the rights of children

When might support be a better fit than back?

In some situations, the words support and back are roughly equivalent. However, support is least explicit about the nature of the assistance given.

supports waterfront development

When is it sensible to use uphold instead of back?

The words uphold and back can be used in similar contexts, but uphold implies extended support given to something attacked.

upheld the legitimacy of the military action

How is the word back different from other verbs like it?

Some common synonyms of back are advocate, champion, support, and uphold. While all these words mean "to favor actively one that meets opposition," back suggests supporting by lending assistance to one failing or falling.

refusing to back the call for sanctions

When can advocate be used instead of back?

While the synonyms advocate and back are close in meaning, advocate stresses urging or pleading.

advocated prison reform

Where would champion be a reasonable alternative to back?

The words champion and back are synonyms, but do differ in nuance. Specifically, champion suggests publicly defending one unjustly attacked or too weak to advocate his or her own cause.

championed the rights of children

When might support be a better fit than back?

In some situations, the words support and back are roughly equivalent. However, support is least explicit about the nature of the assistance given.

supports waterfront development

When is it sensible to use uphold instead of back?

The words uphold and back can be used in similar contexts, but uphold implies extended support given to something attacked.

upheld the legitimacy of the military action

How is the word back different from other verbs like it?

Some common synonyms of back are advocate, champion, support, and uphold. While all these words mean "to favor actively one that meets opposition," back suggests supporting by lending assistance to one failing or falling.

refusing to back the call for sanctions

When can advocate be used instead of back?

While the synonyms advocate and back are close in meaning, advocate stresses urging or pleading.

advocated prison reform

Where would champion be a reasonable alternative to back?

The words champion and back are synonyms, but do differ in nuance. Specifically, champion suggests publicly defending one unjustly attacked or too weak to advocate his or her own cause.

championed the rights of children

When might support be a better fit than back?

In some situations, the words support and back are roughly equivalent. However, support is least explicit about the nature of the assistance given.

supports waterfront development

When is it sensible to use uphold instead of back?

The words uphold and back can be used in similar contexts, but uphold implies extended support given to something attacked.

upheld the legitimacy of the military action

How is the word back different from other verbs like it?

Some common synonyms of back are advocate, champion, support, and uphold. While all these words mean "to favor actively one that meets opposition," back suggests supporting by lending assistance to one failing or falling.

refusing to back the call for sanctions

When can advocate be used instead of back?

While the synonyms advocate and back are close in meaning, advocate stresses urging or pleading.

advocated prison reform

Where would champion be a reasonable alternative to back?

The words champion and back are synonyms, but do differ in nuance. Specifically, champion suggests publicly defending one unjustly attacked or too weak to advocate his or her own cause.

championed the rights of children

When might support be a better fit than back?

In some situations, the words support and back are roughly equivalent. However, support is least explicit about the nature of the assistance given.

supports waterfront development

When is it sensible to use uphold instead of back?

The words uphold and back can be used in similar contexts, but uphold implies extended support given to something attacked.

upheld the legitimacy of the military action

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 back
Adverb
Which all leads back to Garland. Janis Carr, Oc Register, 26 Feb. 2026 The staff even take annual trips to Galicia and northern Portugal to soak up the seafood culture of the Atlantic coast and bring it back with them—the whole roasted turbot is not to be missed. Condé Nast Traveler, 26 Feb. 2026
Noun
Bottoms include the La Brea Low Rise Baggy, a jean designed to sit low on the hips; the Highland Low Rise Cigarette, a jean with a straight and slim fit; and Crescent Barrel Pant, a pull-on jean with an elastic back waist. Angela Velasquez, Sourcing Journal, 27 Feb. 2026 That’s bad news for Berman, who has been working himself blind in the lead-up to George’s launch while John literally lies on his back. Rafaela Bassili, Vulture, 27 Feb. 2026
Verb
World leaders reacted swiftly Saturday after the United States and Israel launched strikes on Iran, exposing a deep divide between governments backing the attack on Iran and those warning the attacks risk a wider regional war. Efrat Lachter, FOXNews.com, 28 Feb. 2026 One Nation and Lone Star Freedom Project The nonprofit One Nation is among the outside groups spending big to back Cornyn, according to AdImpact. Fort Worth Star-Telegram, 28 Feb. 2026
Adjective
Due to the cost of glass at the time, the back bar bottles were made thick and sturdy, and usually ornate to display the whiskey, since it was often poured from the larger barrels for patrons. Melinda Salchert, Southern Living, 26 Feb. 2026 The back injury forced Pat from the game, and may have saved Nick Wilson (who went on to win the game) from being voted out that night. Dalton Ross, Entertainment Weekly, 26 Feb. 2026
Noun
Bores is now facing a $125 million super PAC that counts OpenAI cofounder Greg Brockman, Andreessen Horowitz and Palantir’s Joe Lonsdale as backers. Deirdre Bosa,jasmine Wu, CNBC, 28 Feb. 2026 Iran is the primary backer of the Lebanese militant and political group Hezbollah and supports Hamas, which has governed Gaza since the mid-2000s. Molly Gibbs, Mercury News, 28 Feb. 2026 See All Example Sentences for back
Recent Examples of Synonyms for back
Adverb
  • He was convicted in July after a six-week trial and made two unsuccessful appeals, denied a new trial only a week ago.
    Steve Henson, Los Angeles Times, 28 Feb. 2026
  • In more bad tidings, the trustees reported that a crucial Medicare trust fund will face a shortfall in 2033, three years earlier than projected a year ago.
    Medora Lee, USA Today, 28 Feb. 2026
Adverb
  • The Milky Way has around 150 globular clusters in its halo, whereas a giant elliptical galaxy like Messier 87, at the heart of the Virgo Cluster, might have upward of 10,000.
    Big Think, Big Think, 3 Mar. 2026
  • Despite the delay, around 100 jumpers still came out on the new date, hoping the ice would be thick enough during an unusually warm winter.
    CBSColorado.com Staff, CBS News, 2 Mar. 2026
Adverb
  • In his most recent appearances before injury, against West Ham and off the bench against Napoli in the Champions League, Gittens was predominantly passing backwards or sideways rather than running at defenders.
    Cerys Jones, New York Times, 28 Feb. 2026
  • The city or state bends over backward, only to have the company fail to deliver.
    Kathryn Anne Edwards, Mercury News, 28 Feb. 2026
Verb
  • Outside of nursing, Gibson spent her life advocating for Coconut Grove residents during a time of rapid gentrification, developing nonprofits that advocate for businesswomen and the health and wellness of communities.
    Miami Herald, Miami Herald, 27 Feb. 2026
  • Fans and historic-preservation advocates Richard Schave and Kim Cooper of the local tour group Esotouric posted multiple updates on the fate of the former stall, including the preservation of its hanging menu board.
    Stephanie Breijo, Los Angeles Times, 27 Feb. 2026
Verb
  • Chong and Andrews get a lot of fun mileage out of interaction between the human and animal worlds, aided by Beaver Mabel’s ability to communicate with the critters.
    David Rooney, HollywoodReporter, 2 Mar. 2026
  • Ariadne has tangled with guls and lived to tell the tale, albeit aided by medical training and prostheses provided by her mentor Erik Yurkov—who has since gone missing.
    Literary Hub, Literary Hub, 2 Mar. 2026
Verb
  • The episode reinforced that digital assets continue to trade more like high-beta risk assets than geopolitical hedges.
    Dan Mangan,Leslie Josephs,Spencer Kimball,CJ Haddad,Justin Papp,Jordan Novet, CNBC, 28 Feb. 2026
  • And those negative experiences can reinforce an aversion to water.
    Popular Science Team, Popular Science, 27 Feb. 2026
Adjective
  • Toilets are fitted with side and rear grab bars.
    Condé Nast, Condé Nast Traveler, 27 Feb. 2026
  • Even with the pandemic nearly six years in the rear-view mirror, work-from-home debates have continued as large companies—including Stellantis and Home Depot just in the last month—asked workers to come back to the office five days a week.
    Sasha Rogelberg, Fortune, 26 Feb. 2026
Adverb
  • Police officers who were working to direct traffic for the race received a call of an officer down about a block off the race course roughly 300 feet from the location of the misdirection.
    Kevin Dotson, CNN Money, 4 Mar. 2026
  • At its lowest, the Dow was down more than 1,200 points.
    Lim Hui Jie, CNBC, 4 Mar. 2026

Cite this Entry

“Back.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/back. Accessed 5 Mar. 2026.

More from Merriam-Webster on back

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!

More from Merriam-Webster