defective
//dɪˈfɛktɪv//
Adjective
defectiveCanonical form
more defectiveComparative
most defectiveSuperlative
1
Having a flaw or imperfection; not working correctly or as expected.
The company recalled all defective products from the market.
2
Lacking something essential; incomplete or insufficient.
The report was defective, missing several key sections.
3
(Grammar) Lacking one or more of the usual forms of grammatical inflection.
"Must" is a defective verb because it lacks an infinitive form.
Noun
1
A person or thing that is imperfect or faulty.
The factory recalled all the defectives from the market.