n. pl. con·sis·ten·cies 1. a. Agreement or logical coherence among things or parts: a rambling argument that lacked any consistency.
b. Correspondence among related aspects; compatibility: questioned the consistency of the administration's actions with its stated policy.
2. Reliability or uniformity of successive results or events: pitched with remarkable consistency throughout the season.
3. Degree of density, firmness, or viscosity: beat the mixture to the consistency of soft butter.