defective

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. adjective having a defect
  2. adjective markedly subnormal in structure or function or intelligence or behavior
  3. adjective not working properly

Etymology

From Middle English defectif, defective, from Old French defectif, from Late Latin dēfectīvus.

In classic literature

Synonyms

faulty

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