sealed container

/siːld ˈkɒnteɪnər/ · sealed·con·tai·ner

noun

A container that is closed or locked to prevent leakage or contamination The laboratory stored the hazardous materials in a sealed container to prevent any accidents.

Synonyms

closed container airtight container hermetic container vacuum container locked container secure container tamper-evident container

Antonyms

open container leaky container unsealed container exposed container unlocked container accessible container

Did you know? The concept of sealed containers has been around for centuries, with ancient civilizations using clay pots and jars to store food and other items. Today, sealed containers are used in a wide range of applications, from food storage to medical and industrial uses.

Related terms

container seal closure packaging storage containment

Written by Lexi Wordsworth, Dictionary Editor 1 lookups Added Aug 3, 2026