1

defective

play
adjective de·fec·tive \di-ˈfek-tiv\

Definition of defective

  1. 1a :  imperfect in form or function :  faulty replaced a defective light switchb :  falling below the norm in structure or in mental or physical function defective eyesight a defective gene

  2. 2 grammar :  lacking one or more of the usual forms of inflection (see inflection 3) Must is a defective verb.

defectively

adverb

defectiveness

noun

Examples of defective in a Sentence

  1. This computer is defective. I want my money back.

  2. The disease is caused by a defective gene.

Recent Examples of defective from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'defective'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of defective

see 1defect


2

defective

noun de·fec·tive

Definition of defective

  1. :  a person who is subnormal physically or mentally

Origin and Etymology of defective

see 1defect


DEFECTIVE Defined for English Language Learners

defective

play
adjective

Definition of defective for English Language Learners

  • : having a problem or fault that prevents something from working correctly : having a defect or flaw


DEFECTIVE Defined for Kids

defective

play
adjective de·fec·tive \di-ˈfek-tiv\

Definition of defective for Students

  1. :  having a defect or flaw The car's brakes were defective.


Medical Dictionary

1

defective

play
adjective de·fec·tive \di-ˈfek-tiv\

Medical Definition of defective

  1. :  falling below the norm in structure or in mental or physical function defective eyesight

defectiveness

\-nəs\play noun

2

defective

noun de·fec·tive

Medical Definition of defective

  1. :  one that is subnormal physically or mentally



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