Strīct'ness, n.
n. 1. The quality or condition of being strict; closeness; tightness;—opposed to laxity.
Sense 2. Exactness in the observance of rules, laws, rites, and the like; rigorous accuracy; nice regularity or precision.
I could not grant too much or distrust too little to men that pretended singular piety and religious strictness. K. Charles.
Sense 3. Rigor; harshness; sternness.
These commissioners proceeded with such strictness and severity as did much obscure the king’s mercy. Bacon.