A non-physical flaw, a defect of character or quality; esp. a personal failing or imperfection. Cf. fault, n. 3a. Now rare.

A fault, defect, blemish or imperfection, in action or procedure or in the constitution of a thing.

figurative. A flaw, defect, unsoundness; an infirmity of health or of brain. Obsolete.

Of things immaterial: A flaw, deficiency, failing, unsoundness.

A defect, imperfection, fault, blemish. in immaterial things, and figurative.

figurative. A stain, blemish. Obsolete.

figurative and in figurative contexts. A blemish, a fault. Also: a distinguishing or identifying mark.

Defectiveness, imperfection; plural defects, shortcomings. Obsolete.

figurative. An impediment or obstacle. Also, a disadvantage, a hitch; a defect.