Breadcrumb Home > Thesaurus > A Synonyms of alkaline Find synonyms for: Adjective 1. alkaline (vs. amphoteric) (vs. acidic), alkalic, alkalescent, alcalescent, basic, base-forming, saltlike usage: relating to or containing an alkali; having a pH greater than 7; "alkaline soils derived from chalk or limestone" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of alkaline (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: foison Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language