Videoairtight

Learn how to use the word airtight in both literal and figurative contexts. This lesson explains how the term describes physical seals that block air or gas, as well as abstract concepts like arguments and plans that are impossible to disprove. We cover essential examples such as airtight containers and airtight alibis to help you master the nuances of this adjective. Beyond the basic definition, you will explore synonyms like hermetic and watertight, along with antonyms like porous and flawed. We also look at the informal idiom locked down tight to broaden your vocabulary. Watch this lesson to ensure your understanding of this useful word is truly airtight.

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airtight
The chef seals the leftovers in an airtight container.