Possessing firmness or fixedness; firm; hard; solid.
- In agreement; compatible: The testimony was consistent with the known facts.
- Being in agreement with itself; coherent and uniform: a consistent pattern of behavior.
- Reliable; steady: demonstrated a consistent ability to impress the critics.
- Mathematics Having at least one common solution, as of two or more equations or inequalities.
- Holding true as a group; not contradictory: a consistent set of statements.