Faulty

/ˈfɔːlti/

Meaning & Definition

adjective
having defects or shortcomings; not working correctly.
The faulty wiring in the house caused several power outages.
characterized by errors or mistakes.
The faulty logic in his argument led to a flawed conclusion.
not functioning as intended; defective.
She returned the faulty appliance to the store for a refund.
descriptive of a system or procedure that has issues affecting its performance.
The faulty system failed to detect the fraud attempts.

Etymology

Middle English, from fault + -y

Common Phrases and Expressions

faulty assumption:
A belief that is incorrect or not based on solid evidence.
faulty reasoning:
Logic that has errors or is flawed.

Related Words

Slang Meanings

Having issues or not up to standard.
That car is faulty, man. It's always breaking down.
Something that's messed up or not right.
His plans were totally faulty; everything went wrong.