Rigid constitution is a constitution which stands above the other laws of the country, while flexible constitutions do not.
[1] A. V. Dicey defines a rigid constitution as one under which certain laws, called constitutional laws or fundamental laws "cannot be changed in the same manner as ordinary laws.
"[2] A rigid constitution set forth "specific legal/constitutional obstacles to be overcome" before it may be amended, such as special approval of the people by referendum, a supermajority or special majority in the legislature, or both.
[3] In contrast, a flexible constitution is one in which the legislature may amend the constitution's content and principles through use of the ordinary legislative process.
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