Webster's Revised Unabridged Dictionary · 1913

Stringent

Stringent (strin"jent) , adjective

[Latin stringens, -entis, present participle of stringere to draw or bind tight. See Strain.]

Binding strongly; making strict requirements; restrictive; rigid; severe; as, stringent rules.
They must be subject to a sharper penal code, and to a more stringent code of procedure. — Macaulay