Thesaurus results for SUB

sub 1 of 3

noun (1)

Definition of sub

as in submarine

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

Synonyms & Similar Words

Relevance

sub

2 of 3

noun (2)

ˈsəb

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

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

Synonyms & Similar Words

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

This is thanks to a trio of new sub-models, one of which is publicly available for developers starting today. — Ryan Whitwam, ArsTechnica, 30 July 2026 These examples are meant to convey the richness of the movie podcast genre, and also to reinforce the unique skill of the podcasting to reach into sub-genres like vampire movies and cultivate a small yet enthusiastic audience. — Frank Racioppi, Forbes.com, 27 July 2026

Verb

Kerr subbed on in the 64th minute and nearly scored with her first touches in the game. — Tamerra Griffin, New York Times, 21 July 2026 Like those battles, some top players are expected to sit or get subbed out over the course of the match. — Jacob Feldman, Sportico.com, 18 July 2026 See All Example Sentences for sub

Recent Examples of Synonyms for sub

Noun

According to the Navy, USS Georgia’s final return to Kings Bay symbolizes the beginning of the end for one of the Navy’s most versatile submarine classes.

— Georgina Jedikovska, Interesting Engineering, 29 July 2026
These smaller autonomous vessels function as mobile submarine pens and small aircraft carriers, performing electronic warfare and launching various unmanned systems.

— Zita Ballinger Fletcher, Forbes.com, 28 July 2026

Definition of submarine

Noun

But the blustery autumn wind is no substitute for the cozy rays of a summer sun.

— Georg Szalai, HollywoodReporter, 30 July 2026
Pitulic was employed as a long-term substitute at GCISD since January 2023 and frequently subbed for teachers at Dove Elementary.

— Fort Worth Star-Telegram, Fort Worth Star-Telegram, 30 July 2026

Definition of substitute

Noun

The Ukrainian president received a bipartisan hero’s welcome in Washington, contrasting with tense previous visits.

— Isaac Arnsdorf, Washington Post, 29 July 2026
With Logout’s punk credentials and Margo XS’s keen ear for self-referential, post-hyperpop production, HARDBODY’s hero’s journey is sarcastically relatable, like getting roasted in the group chat for last night’s shenanigans.

— Cameron Cook, Pitchfork, 29 July 2026

Definition of hero

Browse Nearby Words

suavity

sub

subadult

See all Nearby Words

Cite this Entry

Style

“Sub.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sub. Accessed 4 Aug. 2026.

Copy Citation

Synonyms of sub

noun (1)

noun (2)

verb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on sub

More from Merriam-Webster

Word of the Day

élan

Popular in Grammar & Usage

7 Pairs of Commonly Confused Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

'Sneaked' or 'Snuck': Which is correct?

Why does English have so many silent letters?

Popular in Wordplay

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

How long is a jiffy?

Even More Bird Names that Sound Like Insults (and Sometimes Are)

Popular

7 Pairs of Commonly Confused Words

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of

Games & Quizzes