adjective🔗ShareImpermeable to air or other gases."The container was airtight, so the food stayed fresh for a week. "materialphysicstechnicalChat with AIVocabulary GamePractice Reading
adjective🔗ShareHaving no weak points or flaws."We have an airtight argument they won’t be able to punch holes in."qualitybusinesstechnicalChat with AIVocabulary GamePractice Reading
adjective🔗Share(of a person) Highly reserved in some matter, particularly tight-lipped or tight-fisted."My aunt was airtight about her plans for the family reunion; she wouldn't share a single detail. "characterattitudepersonChat with AIVocabulary GamePractice Reading