hero › SynonymsSynonyms for heroGrouped by meaning, so you pick the word that fits what you mean. See the full definition of hero.noun · someone who fights for a causechampionfighterpaladinnoun · a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United Statesbombergrinderhero sandwichhoagiehoagyCuban sandwichItalian sandwichpoor boysubsubmarinesubmarine sandwichtorpedo