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

Tyler Estep here, serving as a second-half sub while our amiga AJ enjoys some time off. — Tyler Estep, AJC.com, 18 July 2026 This was a movie that defined a whole new sub-genre of outer-space horror, a perfectly structured scarefest that also introduced one of cinema's greatest-ever monsters to the world. — Richard Edwards, Space.com, 17 July 2026

Verb

Still, as the game wore on to the waning moments, both teams were visibly sapped of energy and moving at a slower pace, including Haaland, who faded late in the game, was subbed out at the 105-minute mark and replaced by Jorgen Strand Larsen. — Michelle Kaufman, Miami Herald, 12 July 2026 The Manchester City star sat dejectedly on the bench after he was subbed out for Jorgen Strand Larsen in the second half of extra time. — ABC News, 11 July 2026 See All Example Sentences for sub

Recent Examples of Synonyms for sub

Noun

As if to underscore this point, China chose July 6—the day before the NATO summit began in Ankara—to test and fire a long-range ballistic missile from a nuclear submarine, which landed in the South Pacific Nuclear Free Zone.

— Huong Le-Thu, Time, 22 July 2026
At the time, the weakest links in the Allied supply chain were the convoys moving across the Atlantic, Pacific, and North Sea that were vulnerable to Axis submarine attacks.

— David Szondy July 21, New Atlas, 22 July 2026

Definition of submarine

Noun

Elgersma, a 22-year-old midfielder who starred at Redlands High, entered his second MLS match as a late substitute and ruined Roman Bürki’s clean sheet.

— Greg Beacham, Los Angeles Times, 23 July 2026
Moreover, topping up on certain vitamins is no substitute for a healthy, balanced diet.

— Cat Rainsford, Popular Science, 23 July 2026

Definition of substitute

Noun

Ospreay tells Omega not to play the hero and to tag him in if needed, with Omega returning the sentiment.

— Rob Wolkenbrod, Forbes.com, 23 July 2026
But the unexpected hero of the night was Preston Plambeck, a homegrown player who came off the bench and scored the game-winning goal in the 87th minute, finishing off a rebound for his first MLS goal.

— Michelle Kaufman, Miami Herald, 23 July 2026

Definition of hero

Noun

Those close to Villa say Rogers was worth 14 goals a season, so sourcing a replacement was critical.

— Chris Weatherspoon, New York Times, 22 July 2026
The Panthers had already moved to protect themselves on the left side, signing veteran tackle Rasheed Walker in March as a potential replacement for Ekwonu.

— Chantz Martin, FOXNews.com, 22 July 2026

Definition of replacement

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suavity

sub

subadult

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Style

“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 24 Jul. 2026.

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Synonyms of sub

noun (1)

noun (2)

verb

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