I. |in+ adjective
Etymology: in- (I) + consistent
1. : lacking consistency : incompatible , incongruous , inharmonious : as
a. of propositions, ideas, beliefs : so related that both or all cannot be true or containing parts so related
inconsistent statements
b. : so related to something premised or understood that it cannot be true if what is thus assumed is true
an inconsistent conclusion
2. of a person
a. : incoherent or illogical in thought or actions : believing incompatibles or acting in incongruous ways
b. : logically inconsequent : lacking in continuity of belief or purpose ; broadly : inconstant , changeable , fickle
3. of aesthetic relations : not handled or developed so as to form a harmonious whole : inconsonant
inconsistent composition
4. : incongruous , incompatible , irreconcilable — used of immaterial qualities
wisdom is not inconsistent with mirth
5. : incompatible 2d
• in·consistently “+ adverb
• in·con·sist·ent·ness noun -es
II. adjective
: not satisfiable by the same set of values for the unknowns
inconsistent equations
inconsistent inequalities