adj
faulty
FOL-tee
adj
1
Not working correctly; having a defect.
"The fire was caused by faulty wiring."
2
Flawed in reasoning or judgement.
"His argument was based on faulty logic."
How to Use Faulty
Learner’s notesIn plain EnglishBroken, defective, or based on a mistake.
Common pairings
faulty wiring
faulty logic
faulty equipment
Word Forms
faultier comparative, faultiest superlative
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “faulty”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The fire was caused by _____ wiring.
Etymology
From "fault" plus "-y".