4 definitions
The Constitution of the US (n.) is a project of ongoing interpretation. The founding fathers intentionally made some passages vague and/or general because they expected that people who came along later would have an obligation to do their part in continuing the project.
A Constitutional crisis (n.) is either when (1) leaders violate the constitution out of exigences, (2) where fidelity to constitutional forms will lead to ruin, or (3) where public disagreements about the constitution lead to extraordinary forms of protest.
A Constitutional crisis (n.) is when constitutions threaten to fail at their central task of making politics possible.
A Constitutional crisis (n.) is without a fixed meaning and is used too much these days because the very purpose of constitutional checks and balances is to create conflict among and between the branches and the federal government and the states.