Meaning & use
core
The central or most essential part of something, around which everything else is built.
See it in a sentence
Honesty lies at the very core of any lasting and trustworthy friendship.
Scientists drilled deep into the planet to study the Earth's molten core directly.
A note on using this word
"Core" frequently appears in compounds like "core values" or "core curriculum" to mean the essential foundation.
Words with a similar meaning
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Words with an opposite meaning
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