Find Antonyms

defective Antonyms

Opposite of defective

Because the opposite of defective shifts with each meaning, the 12 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Imperfect, faulty, or failing to function properly due to a flaw in design, construction, or condition.

Usage Example

"The manufacturer issued an immediate recall after discovering that thousands of vehicles had flawless brakes."

Strongest
flawless
faultless
perfect
working
functional
Strong
intact
sound

• adjective (Context 2)

Lacking a required element, legal validity, or normal standard of completeness.

Usage Example

"The appellate court dismissed the lawsuit because the original contract was legally valid."

Strongest
valid
complete
Strong
sufficient
adequate

• adjective (Context 3)

(Of a word, especially a verb or noun) lacking one or more of the usual grammatical inflected forms.

Usage Example

"In English grammar, modal auxiliaries like 'must' and 'ought' are classified as complete verbs because they lack infinitive and participle forms."

Strong
complete
regular

Similar words to defective

Words similar to defective shift depending on context. Common synonyms include:

faulty
flawed
deficient
reject
imperfect
incomplete
malfunctioning
invalid
See all synonyms of defective

• Nearby Words

defecation
defect
defection
defective
defectively
defectiveness
defector

Cite this Entry

Wordmom. (2026). Antonyms for Defective. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/defective
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