Capable of being vacated; liable to be annulled or made invalid; voidable.(adjective)
Capable of being avoided, shunned, or escaped.(adjective)
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Use "avoidable" in a sentence
"President Barack Obama is urging Congress to come up with a bipartisan solution to prevent what he calls an avoidable crisis from occurring on August 2, when the government might be forced into default."
"President Barack Obama called on Congress to use the Reid bill as a basis to agree on a bipartisan solution to prevent what he called an avoidable crisis early next week."
"So your assessment about that war being avoidable is readily debatable as false."