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Faulty: Meaning, Examples, and Usage Guide (2 meaning)
Meaning 1：not working properly (faulty)
faulty
/ˈfɔːlti/
adj.
Something that is faulty has a problem and does not work as it should.
not working properly
➕
/nɒt ˈwɜːkɪŋ ˈprɒpəli/
adj.
Describes something that has a problem and fails to function as expected.
📘 Details & Usage
📖 Root Explanation
From 'fault' (defect) + '-y' (adjective suffix), meaning having faults or defects.
💡 Mnemonic
Think of 'fault' in a car—if it has a fault, it's faulty. 'Fault' + 'y' = not working.
📖 Example
My phone won’t turn on at all; I think the battery is faulty.
My phone won’t turn on at all; I think the battery is faulty.
🔗 Collocations
faulty wiring – electrical wiring that is defective or dangerous
faulty product – an item that has manufacturing defects
faulty memory – a computer memory component that fails to work correctly
🔄 Synonyms
defective (adj.) – having a flaw or imperfection that prevents proper function
flawed (adj.) – containing a mistake or weakness
malfunctioning (adj.) – not operating correctly
🚫 Antonyms
working (adj.) – functioning properly
functional (adj.) – in good working order
perfect (adj.) – without any defects
🌱 Derivatives
faultiness (n.) – the state or quality of being faulty
faultlessly (adv.) – in a perfect manner (opposite concept)
📖 Cultural Story
Derived from Latin 'fallita' (failure), via Old French 'faute'. In modern English, 'faulty' is common in product recalls and technical troubleshooting contexts.
Meaning 2：made with defects (faulty)
faulty
/ˈfɔːlti/
adj.
If something is faulty, it was not made correctly and has flaws.
made with defects
➕
/meɪd wɪð ˈdiːfekts/
adj.
Describes something that was not manufactured correctly and contains flaws.
📘 Details & Usage
📖 Example
The company recalled the new backpack because its straps were faulty and kept breaking.
The company recalled the new backpack because its straps were faulty and kept breaking.
🔗 Collocations
faulty design – a flawed plan or blueprint that causes problems
faulty parts – components that are substandard or defective
faulty construction – building or assembly that contains errors
🔄 Synonyms
imperfect (adj.) – not perfect; having flaws
substandard (adj.) – below the usual or required quality
unsound (adj.) – not in good condition; weak or defective
🚫 Antonyms
perfect (adj.) – without any flaws
flawless (adj.) – free from defects
impeccable (adj.) – perfect and without errors
🌱 Derivatives
faultiness (n.) – the quality of being faulty
Wordbook
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