Thesaurus results for SUB

sub 1 of 3

noun (1)

Definition of sub

as in submarine

a large sandwich on a long split roll we shared a tuna sub at lunch

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sub

2 of 3

noun (2)

ˈsəb

as in substitute

a person or thing that takes the place of another we had a sub in English today, so we didn't get our test results back

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sub

3 of 3

verb

as in to substitute

to serve as a replacement usually for a time only the weekend anchor is subbing for the station's main anchor all this week she subbed for middle school teachers in the district as needed

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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 sub

Noun

The German luxury marque’s performance sub-brand has just unveiled the SUV version of its first electric-only model. — Bryan Hood, Robb Report, 19 Oct. 2026 No official confirmation regarding the type of subs and ballistic missile submarine deployment has been made by China so far. — Muskan Bhatia, Interesting Engineering, 19 Oct. 2026

Verb

During Dewan’s video package ahead of her performance, a timestamp was shown for late Friday night, as the actress and Bersten discussed him subbing in without mention of Chmerkovskiy or the controversy. — Mckinley Franklin, HollywoodReporter, 21 Oct. 2026 Alan Bersten, who was eliminated on season 35’s second week alongside celeb partner Giada De Laurentiis, was picked to sub in for Chmerkovskiy to dance with his partner, Jenna Dewan. — Ryan Coleman, Entertainment Weekly, 18 Oct. 2026 See All Example Sentences for sub

Recent Examples of Synonyms for sub

Noun

The Squire is being demonstrated for use in mobile communications with submarines or other vessels, as well as in medical and other applications.

— IEEE Spectrum, IEEE Spectrum, 22 Oct. 2026
Russian submarines are suspected of planning to sabotage some marine infrastructure there.

— Lorne Cook, Fortune, 20 Oct. 2026

Definition of submarine

Noun

At times, Zukenee’s chameleonic range and ironic language can feel like a shrewd substitute for vulnerability.

— Narsimha Gour Chintaluri, Pitchfork, 21 Oct. 2026
America can point to tankers still transiting Hormuz, but shipping that depends on costly military protection and remains under threat is a poor substitute for normal trade.

— Ali Vaez, Time, 21 Oct. 2026

Definition of substitute

Noun

The loss of Flyte and Coe (Tom Brooke) earlier in the season leaves the Horses a little worse for wear, but Slow Horses has one parting blow for our semi-competent hero, River (Jack Lowden), before the season ends.

— Fran Hoepfner, Vulture, 21 Oct. 2026
More are likely, and the ones that stick will be those with a clear hero product and a founder who stays visible.

— Lauren Jarvis-Gibson, Kansas City Star, 21 Oct. 2026

Definition of hero

Noun

The university admissions replacement system still has to be designed, and legal changes may be needed — leaving crucial decisions unresolved even as the government seeks to persuade students to end their protests.

— Thomas Adamson, Los Angeles Times, 27 Oct. 2026
Unsupported systems need replacement plans or documented interim controls.

— Aliasgar Dohadwala, Forbes.com, 26 Oct. 2026

Definition of replacement

Browse Nearby Words

suavity

sub

subadult

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Style

“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 27 Oct. 2026.

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Synonyms of sub

noun (1)

noun (2)

verb

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