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
Jed Portman, Midwest Living, 15 May 2026
Joint Army-Navy Program The US Army`s Long Range Hypersonic Weapon (LRHW) also known as Dark Eagle and the US Navy`s Intermediate-Range Conventional Prompt Strike (IRCPS) programs utilize common sub-sytems.
—Adityajadhav, Interesting Engineering, 14 May 2026
ABC News, 13 May 2026
When Cameron came down with Covid in 2022, the group brought in original drummer Dave Krusen, multi-instrumentalist John Klinghoffer, and veteran Seattle musician Richard Stuverud to sub for him.
—Andy Greene, Rolling Stone, 12 May 2026
See All Example Sentences for sub
Noun
Drizzle it on any veggie sub or cold cut sandwich for classic hoagie vibes—or use it to dress a crisp lettuce salad on pasta night.
—Jed Portman, Midwest Living, 15 May 2026
Joint Army-Navy Program The US Army`s Long Range Hypersonic Weapon (LRHW) also known as Dark Eagle and the US Navy`s Intermediate-Range Conventional Prompt Strike (IRCPS) programs utilize common sub-sytems.
—Adityajadhav, Interesting Engineering, 14 May 2026
Verb
Defender Nathan Harriel and Cavan Sullivan — who subbed in just before halftime — had assists.
—ABC News, 13 May 2026
When Cameron came down with Covid in 2022, the group brought in original drummer Dave Krusen, multi-instrumentalist John Klinghoffer, and veteran Seattle musician Richard Stuverud to sub for him.
—Andy Greene, Rolling Stone, 12 May 2026
See All Example Sentences for sub
Recent Examples of Synonyms for sub
Noun
-
Today, a single optical fiber in modern submarine cables can carry data equivalent to roughly 150 million simultaneous phone calls at the speed of light, according to the International Cable Protection Committee.—
Mostafa Salem,
CNN Money,
17 May 2026
-
Iran is reportedly considering imposing charges on submarine fibre-optic cables through the Strait of Hormuz.—
Christopher McFadden,
Interesting Engineering,
17 May 2026
Noun
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In the 65th minute, second-half substitute Pablo miscontrolled El Hadji Malick Diouf’s quick throw-in.—
Roshane Thomas,
New York Times,
18 May 2026
-
Basic income cash transfers are not a good substitute for basic services in a social support system.—
Carrie Brandon Elliot,
Forbes.com,
18 May 2026
Noun
-
The island's sole town is a lively port with shops, bars, and restaurants, while a short bridge connects it to Caprera, home to Italian hero Giuseppe Garibaldi's former residence and pristine beaches.—
Nicky Swallow,
Travel + Leisure,
17 May 2026
-
Over the years, Riley had added to his lineup of heroes.—
Emily Nussbaum,
New Yorker,
17 May 2026
Noun
-
The frequent replacements mean a more frequent launching and a more frequent deorbiting compared to old-school missions designed with longer missions in mind.—
Tereza Pultarova,
Space.com,
18 May 2026
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The old road runs right along the modern replacement, grass and weeds gradually breaking it up.—
Sarah D. Wire,
USA Today,
17 May 2026
Cite this Entry
“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 21 May. 2026.
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