rule out

Verb	1.	rule out - make impossible, especially beforehand Synonyms: close out, preclude
	2.	rule out - include or exclude by determining judicially or in agreement with rules Synonyms: rule in
	3.	rule out - dismiss from consideration; "John was ruled out as a possible suspect because he had a strong alibi"; "This possibility can be eliminated from our consideration" Synonyms: eliminate, reject

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