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
Mckay Coppins, The Atlantic, 12 Mar. 2026
The sandwich chain is offering people who buy a 6-inch meatball sub as part of Subway's Sub of the Day or Meal of the Day, a free upgrade to a foot-long sub.
—Julia Gomez, USA Today, 9 Mar. 2026
Bennett Durando, Denver Post, 11 Mar. 2026
Turmeric can sub out for a pinch of crushed saffron, or skip it.
—The Washington Post, San Diego Union-Tribune, 11 Mar. 2026
See All Example Sentences for sub
Noun
Everyone seemed to be paying attention to different games, or rooting for different sub-outcomes within the games.
—Mckay Coppins, The Atlantic, 12 Mar. 2026
The sandwich chain is offering people who buy a 6-inch meatball sub as part of Subway's Sub of the Day or Meal of the Day, a free upgrade to a foot-long sub.
—Julia Gomez, USA Today, 9 Mar. 2026
Verb
But now he was subbed out for defense for the last eight seconds.
—Bennett Durando, Denver Post, 11 Mar. 2026
Turmeric can sub out for a pinch of crushed saffron, or skip it.
—The Washington Post, San Diego Union-Tribune, 11 Mar. 2026
See All Example Sentences for sub
Recent Examples of Synonyms for sub
substitute
Verb
-
Prizes may not be substituted for or redeemed for cash.—
CBS LA Staff,
CBS News,
19 Mar. 2026
-
This article is for informational purposes only and does not substitute for professional medical advice.—
Matthew Kayser,
USA Today,
18 Mar. 2026
Cite this Entry
“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 22 Mar. 2026.
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