uniformity

noun6

1. •
   The quality or state of being uniform.
2. •
   The quality or state of having the same characteristics or form as other things, and lacking variety; (countable) an instance of this.

   • The buildings are all of brick, of a goodly heigth, and an excellent vniformity in most of the streets, the toppes rising vvith battlements. — 1611
3. •
   Often followed by of: the quality or state of a thing always having the same characteristics or form; consistency or regularity in appearance or operation.

   • There is no uniformity: clay-and-straw cob walls and thatch roofs stand happily next to brick and tile, timber and stone. — 1980
4. •
   Often followed by of: especially of one's life: lack of variety; tedious sameness; monotony.
5. •
   The condition or state described by uniformitarianism (“the scientific principle that natural laws and processes operated in the past in the same way and at the same rates that they operate today, and sometimes in the same way everywhere in the universe as well”).
6. •
   Adherence to or conformity with one viewpoint, set of observances, etc.

   • VVhither Mr. [William] Dell is arrived, let his Sermon against Reformation, and his Treatise against Uniformity vvitness. — 1651