Find Synonyms

faulty Synonyms

Another word for faulty

Choosing another word for faulty depends on context, so the 17 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adjective (Context 1)

Working badly or unreliably because of imperfections or mechanical defects (of equipment, machinery, or systems).

Usage Example

"The fire alarm went off unexpectedly due to defective wiring in the basement."

Strongest
defective
malfunctioning
broken
Strong
damaged
inoperative
out of order
glitchy
impaired

• adjective (Context 2)

Containing errors, logical flaws, or inaccuracies (of reasoning, judgment, memory, or information).

Usage Example

"The committee rejected the proposal because its conclusions were based on flawed assumptions."

Strongest
flawed
unsound
erroneous
fallacious
inaccurate
Strong
imperfect
incorrect
invalid
mistaken

Opposites of faulty

The opposite of faulty shifts depending on context. Common opposites include:

flawless
faultless
valid
sound
functional
working
accurate
reliable
See all opposites of faulty

• Nearby Words

faultlessly
faultlessness
faultline
faulty
faun
fauna
faust

Cite this Entry

Wordmom. (2026). Synonyms for Faulty. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/faulty
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