airtight

This stone is too porous, that boulder is too jagged; none of them has a square footage large enough to crush me so flat that an airtight seal will form between myself and the ground.

The samples were rejected as they needed to be airtight so they could retain vapour from any potential accelerant used, he added.

She doesn’t know her assistant spies for the rebellion; evil empires are never airtight.

Store in an airtight container for up to 3 days.

If you’re making a larger batch, peel the eggs once they’ve cooled and store them in an airtight container in the fridge.