Crossword solverSynonyms for strong35 crossword answers for “strong” (6), sorted by letter count.How many letters?All354252657288961051131211814 letters 2hardfirm5 letters 2freshhefty6 letters 5securerobustruggedpotentbrawny7 letters 2intensefertile8 letters 8powerfulknockoutforcefulmuscularbeardownbeefed-up(6-2)bullockyironlike9 letters 6irregulareffectivealcoholiceffectualknock down(5,4)fortified10 letters 5inviolablenoticeablereinforcedequipotentbullnecked11 letters 3efficaciousimpregnablemultipotent12 letters 1invulnerable18 letters 1industrial-strength(10-8)