Synonyms of 'hermetic'
breaking the hermetic seal of the jar
Their work is more cosily hermetic than ever.
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Someone or something that is abnormal is unusual, especially in a way that is worrying.
a child with an abnormal fear of strangers
out there (slang)
daggy (Australian , New Zealand , informal)
If a container is airtight, its lid fits so tightly that no air can get in or out.
Store the biscuits in an airtight container.
Something that is anomalous is different from what is usual or expected.
For years his anomalous behaviour has baffled scientists.
Thesaurus for hermetic from the Collins English Thesaurus
If a container has a hermetic seal, the seal is very tight so that no air can get in or out.