Does the Constitution mean anything when when we set precedent to override it when we feel it is justified?

Does the Constitution mean anything when when we set precedent to override it when we feel it is justified?
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Due to frequent misunderstanding, to clarify, I was referring to disregarding the constitution, not amending, changing, or updating it.
Does the Constitution mean anything when when we set precedent to override it when we feel it is justified?
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