Synonyms for lingo Found 6 synonyms across 1 meaning for “lingo”. a characteristic language of a particular group (as among thieves) (noun) slangcantjargonargotpatoisvernacular Explore Related Words Rhymes with lingoSynonyms for slangSynonyms for cantSynonyms for jargonSynonyms for argotSynonyms for patois Synonym Finder | Rhyme Finder | Poetry Editor