Defect

Defect or defects may refer to:

Related to failure

 * Angular defect, in geometry
 * Birth defect, an abnormal condition present at birth
 * Crystallographic defect, in the crystal lattice of solid materials
 * Latent defect, in the law of the sale of property
 * Product defect, a characteristic of a product which hinders its usability
 * Software bug, an error in computer software

Other uses

 * Defection, abandoning allegiance to one country for another
 * The Defects, a Northern Irish punk rock band