Like the noble gases

This crossword clue is for the definition: Like the noble gases.
it’s A 20 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Like the noble gases crossword” or “Like the noble gases crossword clue”. The possible answerss for Like the noble gases are listed below.

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Possible Answers: INERT.

Last seen on: NY Times Crossword 22 Nov 20, Sunday