airtight adjective - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of airtight adjective from the Oxford Advanced American Dictionary

airtight

adjective

NAmE//ˈɛrtaɪt//

1not allowing air to get in or out Store the cake in an airtight container.

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2(figurative) an airtight alibi (= one that cannot be proved to be false)

See airtight in the Oxford Advanced Learner's Dictionary

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