Experienced in combat, and therefore more effective at fighting; -- used mostly of infantry troops.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "battle-hardened" in a sentence
"While I dithered and waited to see what would happen, my neighbors were already rampaging through the supermarket, stripping it like battle-hardened commandos—which, in a sense, they were."
"The battle-hardened Afghan veterans of the KGB and army special forces had studied and practiced similar actions many times."
"Libya's battle-hardened militias have been hunting Seif al-Islam, 39 years old, since he disappeared in late August after the capital, Tripoli, fell under rebel control."