back 1 of 4

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

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2
3

back

2 of 4

noun

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

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

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back

3 of 4

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

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back

4 of 4

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

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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

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
The crucial pretrial hearing was pushed back as prosecutors and defense attorneys sparred over what evidence could be presented and if cameras would be allowed in the courtroom. N'dea Yancey-Bragg, USA Today, 6 July 2026 Looking back through the sequence, Brazil have good numbers back and there is little need for anyone to overcommit — but a lazy tackle from behind leads to a free kick in a dangerous area. Mark Carey, New York Times, 6 July 2026
Noun
Cornerback L’Jarius Sneed is signing with the Chiefs after being released by the Tennessee Titans in March, a source told The Star, returning the defensive back who was a critical part of the Super Bowl LVII and Super Bowl LVIII championship runs. Pete Sweeney, Kansas City Star, 30 June 2026 The fact that Portis always has Antetokounmpo’s back has further strengthened their friendship. Barry Jackson, Miami Herald, 30 June 2026
Verb
Here’s what readers are asking most, backed by the latest data. Allison Palmer, Fort Worth Star-Telegram, 1 July 2026 Eight of the Democrats backed by that PAC, including Kiros, have won their primaries. David Weigel, semafor.com, 1 July 2026
Adjective
Rat droppings were also found in the back storage room, mop sink room and front service cabinet. Joseph Hernandez, Kansas City Star, 29 June 2026 Unlike much of the group stage, Sunday’s game was a sloppy, sleepy affair, with South Africa relying on some heroic play from its back line to keep the game even. Los Angeles Times, 28 June 2026 See All Example Sentences for back
Recent Examples of Synonyms for back
Adverb
  • For some women who survived breast cancer that now means systemic hormones such as progesterone, estrogen and testosterone, unheard of for most women a decade ago.
    Laura Trujillo, USA Today, 30 June 2026
  • The Tifton mother of three, whose children each have serious medical conditions, faced a difficult decision when her oldest, Jayden, was diagnosed with leukemia several years ago.
    Roni Robbins, AJC.com, 30 June 2026
Adverb
  • Last year, the charity Oxfam noted that G7 countries, which collectively account for around 75% of all official development assistance, were set to slash their aid spending by 28% in 2026 compared to 2024 levels.
    Chloe Taylor, CNBC, 6 July 2026
  • The relaxed V-neck tank top has a pretty scalloped trim, while the stretchy shorts give you plenty of room to move around.
    Jeaneen Russell, PEOPLE, 6 July 2026
Adverb
  • Now, a younger consumer may discover the reward experience first, join because the program feels culturally relevant and then work backward into the hotel brands and booking behavior.
    Jeff Fromm, Forbes.com, 2 July 2026
  • Everything was at stake for the Los Angeles Lakers, but as free agency started Monday, the organization seemed stuck in neutral — if not moving backward in reverse.
    Dan Woike, New York Times, 2 July 2026
Noun
  • Miller, one of the other cadets, sat on a bench on the rear of the ship one afternoon as hundreds of dolphins crested above the waves.
    Karissa Waddick, USA Today, 1 July 2026
  • As officers came close, the tow truck slammed on its brakes, causing the squad car to collide with the rear of the truck, the source said.
    Tess Kenny, Chicago Tribune, 30 June 2026
Noun
  • And then Alvarez went for the jugular with a grand slam to deep center field.
    Kansas City Star, Kansas City Star, 13 June 2026
  • The president’s instinct to go for the jugular was on display in his first campaign, when he was written off early on as an entertainer but found success with brutal takedowns.
    Zac Anderson, USA Today, 12 June 2026
Verb
  • Instead of protecting oneself by avoiding risks, the article advocates for embracing curiosity to explore new ideas, experiment with AI, and develop uniquely human skills like critical thinking, communication, and creativity.
    Dr. Diane Hamilton, Forbes.com, 4 July 2026
  • The administration also cracked down on student protesters in 2025 for advocating on behalf of Palestinians during the war in Gaza.
    Tesfaye Negussie, ABC News, 3 July 2026
Verb
  • Sportswear giant Nike posted quarterly earnings that topped forecasts, aided by an expected refund of nearly $986 million in tariffs.
    Justina Lee, CNBC, 1 July 2026
  • The death toll includes thousands of children, in addition to aid workers and journalists.
    Katie Moore, Kansas City Star, 1 July 2026
Verb
  • But the additional wording on the MSG sign about confidentiality during and post-event reinforces that there is no livestream, no TV broadcast and likely a social media blackout – until Swift and Kelce deem otherwise.
    Melissa Ruggieri, USA Today, 3 July 2026
  • Goldman Sachs reinforced that view this week, initiating coverage with a buy rating and a $186 price target.
    Alexa LoMonaco, CNBC, 3 July 2026

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Cite this Entry

“Back.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/back. Accessed 7 Jul. 2026.

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