Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun abc

1 sense of abc

Sense 1
rudiment, first rudiment, first principle, alphabet, ABC, ABC's, ABCs -- (the elementary stages of any subject (usually plural); "he mastered only the rudiments of geometry")
       => fundamentals, basics, fundamental principle, basic principle, bedrock -- (principles from which other truths can be derived; "first you must learn the fundamentals"; "let's get down to basics")