key idea is not in our dictionary (yet). Here's what it could mean:
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noun
Example Sentences
Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For Molyneux, once voted one of the top game creators of all time, the key idea is "freedom" - creating systems that respond to player curiosity rather than directing them down a fixed path.
From BBC • Apr. 21, 2026
The experiments supported a key idea: highly complex coordination does not require advanced intelligence or centralized control.
From Science Daily • Apr. 15, 2026
Thesaurus
Possible Synonyms
Words in our thesaurus
other words
- core concept
- the takeaway
- central theme
- what it all boils down to
- the heart of the matter
Possible Antonyms
Words in our thesaurus
other words
- an aside
- side note
- the fine print
- an unimportant fact
- a red herring
