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
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Recent Examples of sub
Paras J. Haji, Forbes.com, 31 July 2025
The defections have really piled up in recent years, with Comcast shedding 3.21 million video customers, or 21% of its base, since the analogous period in 2023, while nearly one-third (31%) of its subs have dropped the bundle in the last 36 months.
—Anthony Crupi, Sportico.com, 31 July 2025
Melanie Anzidei, New York Times, 29 June 2025
Whatever the name's origin, Krishnan started subbing Canadian rye in place of bourbon whenever someone ordered an Old-Fashioned.
—Michael Collins, USA Today, 1 Aug. 2025
See All Example Sentences for sub
Noun
The American record holder in the fly is currently the only swimmer to enter the 2:05 sub alongside McIntosh.
—Paras J. Haji, Forbes.com, 31 July 2025
The defections have really piled up in recent years, with Comcast shedding 3.21 million video customers, or 21% of its base, since the analogous period in 2023, while nearly one-third (31%) of its subs have dropped the bundle in the last 36 months.
—Anthony Crupi, Sportico.com, 31 July 2025
Verb
Reign defender Jordyn Bugg also earned her first cap, subbing on late in the second half for captain Naomi Girma.
—Melanie Anzidei, New York Times, 29 June 2025
Whatever the name's origin, Krishnan started subbing Canadian rye in place of bourbon whenever someone ordered an Old-Fashioned.
—Michael Collins, USA Today, 1 Aug. 2025
See All Example Sentences for sub
Recent Examples of Synonyms for sub
substitute
Verb
-
This article is for informational purposes only and does not substitute for professional medical advice.—
Matt Emma,
USA Today,
4 Aug. 2025
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Son Heung-min was substituted on 63 minutes, receiving a standing ovation and getting a guard of honor from the players on the pitch before hugging all the members of the Spurs bench as the crowd chanted his name.—
Steve Price,
Forbes.com,
3 Aug. 2025
Cite this Entry
“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 20 Aug. 2025.
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