sub 1 of 3

as in submarine
a large sandwich on a long split roll we shared a tuna sub at lunch

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sub

2 of 3

noun (2)

sub

3 of 3

verb

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

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of sub
Noun
Unused subs were: Ian Fray, Marcelo Weigandt, Fafa Picault, Drake Callender, David Martinez and Allen Obando. Michelle Kaufman, Miami Herald, 14 Apr. 2025 The United Kingdom's National Oceanography Centre was testing the sub, which was named Boaty McBoatface in a viral online poll in 2016, when mooring for the camera system got tangled in its propeller, the center said in a statement Monday. N'dea Yancey-Bragg, USA Today, 31 Mar. 2025
Verb
The replacement crew's brand new SpaceX capsule still wasn't ready to fly, so SpaceX subbed it with a used one, hurrying things along by at least a few weeks. arkansasonline.com, 19 Mar. 2025 In some cases, the money could sub in for funds now collected in electric bills. Sammy Roth, Los Angeles Times, 10 Apr. 2025 See All Example Sentences for sub

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“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 30 Apr. 2025.

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