Crossword solverSynonyms for useful11 crossword answers for “useful” (6), sorted by letter count.How many letters?All117181931031121217 letters 1helpful8 letters 1reusable9 letters 3effectiveeffectualexpedient10 letters 3functionalprofitablerecyclable11 letters 2efficaciousreclaimable12 letters 1multipurpose