lacking one or more of the usual forms of grammatical inflection A defective word is nearly always a verb However, even though the word is defective, you can't get your money back
Wanting in something; incomplete; lacking a part; deficient; imperfect; faulty; applied either to natural or moral qualities; as, a defective limb; defective timber; a defective copy or account; a defective character; defective rules
If something is defective, there is something wrong with it and it does not work properly. Retailers can return defective merchandise. not made properly, or not working properly = faulty
Said of a product or service flawed beyond use or acceptability; operational definitions must describe a product or services as either defective or not, with no gray areas in between
A defective unit; a unit of product that contains one or more defects with respect to the quality characteristic(s) under consideration
matrix: A matrix A is defective if A has an eigenvalue whose geometric multiplicity is less than its algebraic multiplicity
A beer with some technical defects indicative of errors in production or packaging
Lacking some of the usual forms of declension or conjugation; as, a defective noun or verb
markedly subnormal in structure or function or intelligence or behavior; "defective speech" having a defect; "I returned the appliance because it was defective