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

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Recent Examples of Synonyms for ABC

Noun

Summaries of the Hebrew, Greek, and Latin alphabets in the beginning of the codex are accompanied by the Cyrillic and Slavic (Glagolitic) alphabets, which were added to the codex in the 14th century.

— Laura Payne, Encyclopedia Britannica, 30 Oct. 2026
On that day, those two letters — MS — were so much more than a couple of symbols from the alphabet.

— Lindsay Karp, STAT, 23 Oct. 2026

Definition of alphabet

Noun

The defense trial accounts of bias were connected to Weeks’ rulings, which were within his discretion and not a basis for recusal, prosecutors argued.

— Emerson Clarridge, Fort Worth Star-Telegram, 31 Oct. 2026
The combination of large-scale pre-training, distributed post-training and feedback-driven learning after deployment forms the basis of GO-3 Preview.

— Jijo Malayil, Interesting Engineering, 30 Oct. 2026

Definition of basis

Noun

The core tools handle the basics—fixing grammar, rephrasing, expanding, trimming, and summarizing—while the tone options adjust your voice to fit the room.

— Kimberly Gedeon, PC Magazine, 3 Nov. 2026
His work with Steven Spielberg — Kamiński has shot 20 films with Spielberg, including his latest, Disclosure Day — has rewritten the visual grammar of Hollywood.

— Scott Roxborough, HollywoodReporter, 29 Oct. 2026

Definition of grammar

Noun

Writer Arati Menon heads to Kitchen on the Edge of the World, a four-day event where top chefs harness the Arctic elements and local ingredients to create extraordinary culinary experiences.

— Condé Nast, Condé Nast Traveler, 24 Oct. 2026
The gaps between elements aren’t consistent, which makes the buds look seem cheaply put together.

— Mark Knapp, PC Magazine, 24 Oct. 2026

Definition of elements

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“ABC.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ABC. Accessed 6 Nov. 2026.

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Synonyms of ABC

noun

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