Learner's definition of CONSISTENCY
1 [noncount] : the quality or fact of being consistent: such as a : the quality or fact of staying the same at different times especially : the quality or fact of being good each time
b : the quality or fact of having parts that agree with each other
He's a good pitcher, but he lacks consistency. [=his pitching is good in some games and bad in other games]
Customers expect consistency in the quality of service they receive.
Practice will ensure greater consistency of performance.
2 : the quality of being thick, firm, smooth, etc.
[count] — usually singular
She mixed the dough to the right consistency.
The batter should have/be the consistency of pudding.
Boil the juice to the consistency of a thick syrup.