as in submarine
a large sandwich on a long split roll
we shared a tuna sub at lunch
Synonyms & Similar Words
Relevance
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
Synonyms & Similar Words
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
Synonyms & Similar Words
Example Sentences
Examples are automatically compiled from online sources to
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Recent Examples of sub
Jordan Salama,
New Yorker,
27 June 2026
Panama supporters seemed to have their moment of joy during second-half stoppage time as sub Jose Fajardo put one past Pickford.
—
Fiifi Frimpong,
New York Daily News,
27 June 2026
Jeremy Mikula,
NBC news,
28 June 2026
Messi, ever the showman, scored a stunning hat trick—his first ever in a World Cup—for the 3–0 win, and was subbed out in the seventy-ninth minute for Nico Paz (suggested by some to be his heir apparent), to a standing ovation.
—
Jordan Salama,
New Yorker,
27 June 2026
See All Example Sentences for sub
Noun
Against Serbia and Montenegro, in the group stage, Messi came on as a sub in the seventy-fourth minute, with Argentina up 3–0.
—
Jordan Salama,
New Yorker,
27 June 2026
Panama supporters seemed to have their moment of joy during second-half stoppage time as sub Jose Fajardo put one past Pickford.
—
Fiifi Frimpong,
New York Daily News,
27 June 2026
Verb
Alphonso Davies, playing in his first match for Canada since March 2025, was subbed on late in the second half as the co-hosts pushed for the breakthrough.
—
Jeremy Mikula,
NBC news,
28 June 2026
Messi, ever the showman, scored a stunning hat trick—his first ever in a World Cup—for the 3–0 win, and was subbed out in the seventy-ninth minute for Nico Paz (suggested by some to be his heir apparent), to a standing ovation.
—
Jordan Salama,
New Yorker,
27 June 2026
See All Example Sentences for sub
Recent Examples of Synonyms for sub
Noun
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To date, just three United States Navy warships have been named for Juneau, Alaska, and two of those have now been sunk by Japanese submarines.
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What funds that were available went to higher priority items like the Dreadnought-class submarines, the SSN-AUKUS program, and the Global Combat Air Programme (GCAP).
Noun
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Haaland, a fan favorite in the tournament, will start the match on the substitutes' bench, ESPN reported Friday.
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Mathewson noted that merely keeping abreast of the latest developments is no substitute for working with them directly.
Noun
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Soldier Valley Spirits' objective is to support military heroes and their families, Greenwood said.
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Shakespeare’s haughty Roman war hero, revered on the battlefield yet reviled by hungry plebeians, becomes the flash point in a young democracy tearing itself apart over power and sacrifice.
Noun
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The city said replacement parts have been ordered and officials hope to reopen the pool before the end of July.
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Wallingford also testified that inspections are not a replacement for reporting infant deaths.
Cite this Entry
“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 7 Jul. 2026.
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