Synonyms for lasso Found 6 synonyms across 3 meanings for “lasso”. Belgian composer (1532-1594) (noun) a long noosed rope used to catch animals (noun) lariatriatareata catch with a lasso (verb) rope Explore Related Words Rhymes with lassoSynonyms for lariatSynonyms for riataSynonyms for reataSynonyms for rope Synonym Finder | Rhyme Finder | Poetry Editor