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
Robin Miller, AZCentral.com, 25 July 2025
On June 21, Dortmund subs watched the first half of their match against Mamelodi Sundowns from inside the locker room to avoid the blazing midday 90°F heat in Cincinnati, Ohio, conditions Kovac likened to a sauna.
—George Timms, Time, 18 July 2025
Matthew Odam, Austin American Statesman, 15 July 2025
Consider sprinkling them onto toast, tossing them into your favorite salad, mixing them into guacamole, or subbing them in for pine nuts in pesto, Michalczyk suggests.
—Angela Haupt, Time, 13 June 2025
See All Example Sentences for sub
Noun
In Philly, they’re called hoagie rolls, but any soft sub rolls work here.
—Robin Miller, AZCentral.com, 25 July 2025
On June 21, Dortmund subs watched the first half of their match against Mamelodi Sundowns from inside the locker room to avoid the blazing midday 90°F heat in Cincinnati, Ohio, conditions Kovac likened to a sauna.
—George Timms, Time, 18 July 2025
Verb
The Switch also makes a traditional hot sauce but subs butter for brisket fat.
—Matthew Odam, Austin American Statesman, 15 July 2025
Consider sprinkling them onto toast, tossing them into your favorite salad, mixing them into guacamole, or subbing them in for pine nuts in pesto, Michalczyk suggests.
—Angela Haupt, Time, 13 June 2025
See All Example Sentences for sub
Recent Examples of Synonyms for sub
substitute
Verb
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This article is for informational purposes only and does not substitute for professional medical advice.—
Daniel Fusch,
USA Today,
12 July 2025
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The 24-year-old Brazilian attacker started against Al Hilal but was substituted and had just 27 minutes from the bench in the five following games.—
Dermot Corrigan,
New York Times,
11 July 2025
Cite this Entry
“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 5 Aug. 2025.
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