ABC Synonyms: 31 Similar and Opposite Words

ABC

noun

ˌā-(ˌ)bē-ˈsē

Definition of ABC

as in principles

usually ABC's or ABCs plural general or basic truths on which other truths or theories can be based a book on the ABCs of computer usage

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for ABC

Noun

Bulgarian uses the Cyrillic alphabet while English uses the Latin one.

— Rebecca Johnson, Chicago Tribune, 1 Oct. 2026
Yet a soft travel case with an X-Ray print of toiletries; a yo-yo bordered with the alphabet from Japanese games company Freshthings; and a monogrammed metal zester add variety to the mix.

— Amy Verner, Vogue, 28 Sep. 2026

Definition of alphabet

Noun

Halpin watched the ball clear the wall in right-center then launched his bat over his head and into the sky before rounding the bases.

— Arkansas Online, Arkansas Online, 16 Oct. 2026
Brewers third baseman David Hamilton rounds the bases after hitting a home run in the ninth inning.

— Greg Rosenstein, NBC news, 16 Oct. 2026

Definition of basis

Noun

Initially, videos were geared towards people looking to learn Spanish as a foreign language and understand grammar topics.

— Diana Lodderhose, Deadline, 13 Oct. 2026
And so lyric arrives, unbridled by the laws of grammar, pressing its hooves to the measure of music.

— Literary Hub, Literary Hub, 7 Oct. 2026

Definition of grammar

Noun

That potentially allows rigid structural elements and softer, flexible sections to be incorporated into the same object, provided the materials are compatible.

— New Atlas, New Atlas, 17 Oct. 2026
And above all, there are a lot of elements that can disappear overnight due to a change in technology.

— Ed Meza, Variety, 17 Oct. 2026

Definition of elements

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.

Cite this Entry

Style

“ABC.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ABC. Accessed 19 Oct. 2026.

Copy Citation

Synonyms of ABC

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on ABC

More from Merriam-Webster

Word of the Day

fervid

Popular in Grammar & Usage

'Affect' vs. 'Effect'

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

The Exceptions of '-s' and '-es' Plurals

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

What's the difference between 'fascism' and 'socialism'?

Popular in Wordplay

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

7 Words for Bad Endings and Rough Situations

Did 'orange' the fruit or the color come first?

Popular

'Affect' vs. 'Effect'

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

Games & Quizzes