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
Lisa Lockwood,
Footwear News,
20 June 2026
Substitutions brought fresh life to Switzerland's team in the second half, and those subs scored three goals in a matter of minutes — two by Johan Manzambi and one by Rubén Vargas.
—
Andrew Greif,
NBC news,
19 June 2026
Scott Thompson,
FOXNews.com,
19 June 2026
Yakin subbed in Johan Manzambi, the 20-year-old box-to-box midfielder and one of the most exciting young players in Europe who elevated the Swiss and the match to a thrilling level.
—
Scott M. Reid,
Oc Register,
19 June 2026
See All Example Sentences for sub
Noun
Dana-co holds the exclusive license for the Natori brand, as well as various sub-brands of Natori, including Josie Natori.
—
Lisa Lockwood,
Footwear News,
20 June 2026
Substitutions brought fresh life to Switzerland's team in the second half, and those subs scored three goals in a matter of minutes — two by Johan Manzambi and one by Rubén Vargas.
—
Andrew Greif,
NBC news,
19 June 2026
Verb
Pulisic, who had an assist in the win over Paraguay, suffered a calf injury that led to him being subbed out after the first half last week.
—
Scott Thompson,
FOXNews.com,
19 June 2026
Yakin subbed in Johan Manzambi, the 20-year-old box-to-box midfielder and one of the most exciting young players in Europe who elevated the Swiss and the match to a thrilling level.
—
Scott M. Reid,
Oc Register,
19 June 2026
See All Example Sentences for sub
Recent Examples of Synonyms for sub
Noun
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Norway has launched the first expedition of its new robot submarine capable of diving nearly 20,000 feet (6,000 meters) below the ocean surface in a major step toward mapping its deep-sea regions.
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Filling a National Battle Depot with spare parts (or even spare modules--like a few spare bows or bow domes for Virginia Class submarines) will force the PAEs to really exercise their new authorities.
Noun
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Koulibaly misjudged a clearance and goalkeeper Edouard Mendy was unable to keep out substitute Marcus Pedersen’s rasping shot to give Norway the lead close to halftime.
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Goldman Sachs recently highlighted this complexity by describing AI as both a complement and a substitute for labor depending upon the nature of the work involved.
Noun
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As the inscription had been damaged, researchers couldn’t decipher whether this tablet had cursed four slaves or whether four slaves had cried out to the Egyptian gods and demi-heroes, who knows?
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The kingdom and its press and thus the world could see the war hero and his monarch inextricably bound by allegiance to Britain.
Noun
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Assistant Leif Gunnar Smerud was named interim coach while the team searches for Straus’ replacement.
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In their place, Spain boss Luis de la Fuente somewhat bafflingly lined up Barcelona duo Ferrán Torres and Gavi as their replacements.
Cite this Entry
“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 26 Jun. 2026.
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