Synonyms for leach Found 3 synonyms across 3 meanings for “leach”. the process of leaching (noun) leaching permeate or penetrate gradually (verb) percolate remove substances from by a percolating liquid (verb) strip Explore Related Words Rhymes with leachSynonyms for leachingSynonyms for percolateSynonyms for strip Synonym Finder | Rhyme Finder | Poetry Editor