faulty
Having some defects
Faulty means having faults or defects—not working properly or containing errors.
A faulty appliance malfunctions.
Faulty wiring is dangerous.
Faulty logic or faulty reasoning contains flaws that undermine an argument.
The word implies something that should work correctly but doesn't: The recall was due to a faulty ignition switch.
Damaged beyond function
- damagedMade worse by injury
- malfunctioningOperating incorrectly or failing
- dysfunctionalNot operating properly
- inoperativeNot able to function
nonfunctional · out-of-order · kaput · busted · dead · failed · deficient · unsound
Horse-drawn cart
- glitchyProne to malfunctions
- erraticLacking regularity or consistency
- unreliableNot consistently performing
- intermittentOccurring at irregular intervals
temperamental · finicky · unpredictable · inconsistent · unstable · hit-or-miss · spotty · wonky
Not accurate or true
- wrongContrary to fact
- mistakenIncorrectly understood or believed
- inaccurateNot correct or precise
- fallaciousContaining faulty reasoning
unsound · invalid · specious · illogical · unfounded · baseless · spurious · misleading
broken
Damaged beyond function
- damagedMade worse by injury
- malfunctioningOperating incorrectly or failing
- dysfunctionalNot operating properly
inoperative · nonfunctional · out-of-order · kaput · busted · dead · failed · deficient · unsound · compromised
buggy
Horse-drawn cart
- glitchyProne to malfunctions
- erraticLacking regularity or consistency
- unreliableNot consistently performing
intermittent · temperamental · finicky · unpredictable · inconsistent · unstable · hit-or-miss · spotty · wonky · quirky
incorrect
Not accurate or true
- wrongContrary to fact
- mistakenIncorrectly understood or believed
- inaccurateNot correct or precise
fallacious · unsound · invalid · specious · illogical · unfounded · baseless · spurious · misleading · false
imperfect
Having flaws or faults
warped · distorted · misshapen · crooked · bent · scratched · cracked · chipped · dented · defaced
shoddy
Of poor craftsmanship
- inferiorOf lower rank
- second-rateBelow acceptable standards
- subparBelow acceptable quality
low-grade · cheap · flimsy · inadequate · unfit · worthless · junk · trashy · crummy · lousy
- brokenbroken, busted, broken down, out of order, not working
- Flaweddefective, broken, imperfect, botched, incomplete
- error-pronedefective, fallible, accident-prone
- broken-downbroken-down, busted, kaput, out of order, inoperative
- defectsdefect, flaw, crack, cracks, defective
- malfunctionsbroken, defective, glitch, error, malfunction
faultyworking
In active function
functional · operational · sound · functioning · reliable
faultyflawless
Entirely without fault
perfect · faultless · impeccable · pristine · unblemished
- my faultAdmission of responsibility
- your faultBlame assigned to you
- at faultDeserving blame
- not my faultDenial of responsibility
- finding faultIdentifying errors or shortcomings
- find faultExpress disapproval of imperfections
fault, default, faults, faultless, defaults, defaulted, defaulter, defaulting, faultiness