Basic Basic synonyms primary basic and primary elemental basic and elemental fundamental basic and fundamental essential basic and essential rudimentary basic and rudimentary elementary basic and elementary underlying basic and underlying key basic and key basal basic and basal radical basic and radical Full list of synonyms (1434) Basic antonyms secondary basic and secondary peripheral basic and peripheral minor basic and minor auxiliary basic and auxiliary unimportant basic and unimportant inessential basic and inessential incidental basic and incidental incident basic and incident additional basic and additional extra basic and extra Full list of antonyms (36) Share this picture Share this image Share this picture Share this image