Pronunciation (UK) IPA (key): /fɔːd͡ʒ/ (US) IPA (key): /fɔrd͡ʒ/ Audio (UK)(file) Noun Singular forge Plural forges A forge is a fire or furnace used to heat metal. The blacksmith worked at his forge, shaping horseshoes. A forge is a place where metal is shaped and tempered. Verb Plain form forge Third-person singular forges Past tense forged Past participle forged Present participle forging To forge metal is to heat it and then shape it. To forge something is to fake it. He was arrested for forging documents. To forge is to shape or adapt something with a lot of care. He was able to forge close friendships with the rest of the team. Related words forgery This short entry needs someone to make it better. You can help Wiktionary by adding to it.Wikiwand - on Seamless Wikipedia browsing. On steroids.