Is blown a real word?

Yes, blown is a real word, it is past participle of verb to blow, meaning past action of blowing air, and used in many contexts, grammatically correct and found in dictionary. Blown is real English word used as past participle, for example wind has blown, tire is blown meaning burst, fuse is blown meaning broken, opportunity is blown meaning wasted, and mind is blown meaning amazed, similar to how dust blown requires HEPA filtration. Blown is used in phrases like blown away meaning impressed, blown out meaning exhausted or having puncture, blown up meaning exploded or enlarged. It is standard English, not slang, though used in slang expressions. As adjective, blown can describe inflated or damaged, like blown tire. As verb form, it indicates completed action of blowing. So blown is real word, past participle of blow, with present blow, past blew, past participle blown, used in everyday language, literature, and technical contexts like blown fuse or blown speaker. It is recognized by dictionaries such as Merriam-Webster and Oxford, with multiple definitions related to air movement, damage, and figurative uses, so yes blown is real word with legitimate grammatical function and widespread usage.