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
New Atlas, 19 Oct. 2025
Mahomes was replaced by Gardner Minshew late in the third quarter, and most of the subs got extensive playing time as the Chiefs piled up 30 first downs and 434 total yards.
—Blair Kerkhoff, Kansas City Star, 19 Oct. 2025
Jace Frederick, Twin Cities, 24 Oct. 2025
With the game well in hand, Smith was actually trying to sub Zaha out in the 90th minute (and arguably should have done so sooner).
—Scott Fowler, Charlotte Observer, 19 Oct. 2025
See All Example Sentences for sub
Noun
After being purchased by Earl Williams in 2022, a few years after its founding, the company has launched its first family of truck campers, introduced several new trailer sub-brands, and grown out its namesake teardrop trailer family.
—New Atlas, 19 Oct. 2025
Mahomes was replaced by Gardner Minshew late in the third quarter, and most of the subs got extensive playing time as the Chiefs piled up 30 first downs and 434 total yards.
—Blair Kerkhoff, Kansas City Star, 19 Oct. 2025
Verb
The Wolves needed a win to avoid elimination Chris Finch sent the unheralded Jordan McLaughlin to the scorer’s table to sub in for D’Angelo Russell.
—Jace Frederick, Twin Cities, 24 Oct. 2025
With the game well in hand, Smith was actually trying to sub Zaha out in the 90th minute (and arguably should have done so sooner).
—Scott Fowler, Charlotte Observer, 19 Oct. 2025
See All Example Sentences for sub
Recent Examples of Synonyms for sub
substitute
Verb
-
When tomatoes are not in season, substitute them with a good tomato sauce.—
Literary Hub,
Literary Hub,
27 Oct. 2025
-
Rossi’s rustiness was evident in the group stage, to the extent that he was substituted at half-time in the 1-1 draw with Peru.—
Michael Cox,
New York Times,
26 Oct. 2025
Cite this Entry
“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 30 Oct. 2025.
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