Definition of consistency
plural consistencies
1 a
archaic
:condition of adhering together :firmness of material substance
b
:firmness of constitution or character :persistency
- … the rigid consistency with which he had adhered to its principles …
- —Nathaniel Hawthorne
2
:degree of firmness, density, viscosity, or resistance to movement or separation of constituent particles
- Boil the juice to the consistency of a thick syrup.
3 a
:agreement or harmony of parts or features to one another or a whole :correspondence
- The furnishings and decorations in all the rooms reflect a consistency of style.
b
:harmony of conduct or practice with profession
- followed her own advice with consistency
