LUNGFUL Meaning of LUNGFUL in English lung ‧ ful /ˈlʌŋfʊl/ BrE AmE noun [countable] the amount of air, smoke etc that you breathe in at one time lungful of Polly took in a lungful of crisp cool air. Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012