Antonyms of adj acidic

2 senses of acidic

Sense 1
acidic (vs. alkaline) (vs. amphoteric) -- (being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7))

alkaline (vs. amphoteric) (vs. acidic), alkalic -- (relating to or containing an alkali; having a pH greater than 7; "alkaline soils derived from chalk or limestone")
        => alkalescent, alcalescent -- (tending to become alkaline; slightly alkaline)
        => basic -- (of or denoting or of the nature of or containing a base)
        => base-forming -- (yielding a base in aqueous solution)
        => saltlike -- (resembling a compound formed by replacing hydrogen in an acid by a metal)
amphoteric (vs. acidic) (vs. alkaline), amphiprotic -- (having characteristics of both an acid and a base and capable of reacting as either)

Sense 2
acidic, acid, acidulent, acidulous -- (being sour to the taste)

INDIRECT (VIA sour) -> sweet -- (having or denoting the characteristic taste of sugar)

Similarity of adj acidic

2 senses of acidic

Sense 1
acidic (vs. alkaline) (vs. amphoteric) -- (being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7))
       => acid -- (having the characteristics of an acid; "an acid reaction")
       => acid-forming -- (yielding an acid in aqueous solution)

Sense 2
acidic, acid, acidulent, acidulous -- (being sour to the taste)
       => sour (vs. sweet) -- (having a sharp biting taste)