Synonyms of 'faulty'
badly designed or not working properlyThey will repair the faulty equipment.
Retailers can return defective merchandise.
not working, ,
a broken guitar and a rusty snare drum
Many old people are living in bad housing.
the unique beauty of a flawed object
The blast left him with permanently impaired vision.
We live in an imperfect world.
out of order,
The espresso machine is out of order.
on the blink,
an old TV that's on the blink
Their interpretation was faulty.
He denied that his evidence was incorrect.
That was the wrong answer – try again.
The tests were seriously flawed.
The reports were based on inaccurate information.
His eyesight had always been weak.
Those arguments are rendered invalid by the hard facts.
The conclusions they have come to are completely erroneous.
The thinking is muddled and fundamentally unsound.
Their argument is fallacious.
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in the sense of bad
not goodMany old people are living in bad housing.
duff (British, informal),
end-of-the-pier (British, informal),
bush-league (Australian, New Zealand, informal),
tinhorn (US, slang),
half-pie (New Zealand, informal),
bodger or bodgie (Australian, slang),
strictly for the birds (informal)
in the sense of broken
not functioninga broken guitar and a rusty snare drum
See related content
Video: pronunciation of 'faulty'
Thesaurus for faulty from the Collins English Thesaurus