unserviceable
No longer functional
Unserviceable means not in working condition or not fit for use.
Equipment that is unserviceable cannot perform its intended function: The mechanic tagged the aircraft as unserviceable.
The term appears frequently in military and technical contexts, where it marks items requiring repair or disposal.
Something unserviceable may be broken, worn out, or simply inadequate for the task at hand.
Not performing its purpose
- inoperativeNot able to function
- disabledMade unable to function
- brokenDamaged beyond function
- deadNo longer alive
down · offline · kaput · out-of-order · unusable · unworkable · paralyzed · stalled
Having defects or errors
- malfunctioningOperating incorrectly or failing
- damagedMade worse by injury
- flawedHaving faults or imperfections
- impairedWeakened in function
dysfunctional · compromised · substandard · deficient · unsound · shoddy · imperfect · inferior
Cannot be mended
- totaledDestroyed or summed
- write-offRecorded value reduction
- unsalvageableImpossible to recover
- condemnedOfficially declared unfit
scrapped · junked · disposable · throwaway · nonrepairable · unreclaimable · hopeless · terminal
Depleted through overuse
- deterioratedBecame worse over time
- dilapidatedRuined through neglect
- weatheredEroded by exposure
- batteredDamaged by repeated blows
decayed · corroded · rusted · eroded · degraded · decrepit · shabby · frayed
No longer in use
- antiquatedOld and outdated
- discontinuedNo longer available
- supersededReplaced by something newer
- deprecatedFormally advised against using
retired · phased-out · unsupported · end-of-life · legacy · outmoded · old · bygone
nonfunctional
Not performing its purpose
- inoperativeNot able to function
- disabledMade unable to function
- brokenDamaged beyond function
dead · down · offline · kaput · out-of-order · unusable · unworkable · paralyzed · stalled · jammed
faulty
Having defects or errors
- malfunctioningOperating incorrectly or failing
- damagedMade worse by injury
- flawedHaving faults or imperfections
impaired · dysfunctional · compromised · substandard · deficient · unsound · shoddy · imperfect · inferior · blemished
unfixable
Cannot be mended
- totaledDestroyed or summed
- write-offRecorded value reduction
- unsalvageableImpossible to recover
condemned · scrapped · junked · disposable · throwaway · nonrepairable · unreclaimable · hopeless · terminal · finished
worn-out
Depleted through overuse
- deterioratedBecame worse over time
- dilapidatedRuined through neglect
- weatheredEroded by exposure
battered · decayed · corroded · rusted · eroded · degraded · decrepit · shabby · frayed · tattered
outdated
No longer in use
- antiquatedOld and outdated
- discontinuedNo longer available
- supersededReplaced by something newer
deprecated · retired · phased-out · unsupported · end-of-life · legacy · outmoded · old · bygone · mothballed
- broken-downbroken-down, busted, kaput, out of order, inoperative
- nonfunctionalbroken, malfunctioning, inoperative, out of order, nonfunctional
- out-of-servicebroken, down, offline, unavailable, disabled
- weapon statusarmed, loaded, unloaded, jammed, disarmed
unserviceableserviceable
Fit for purpose
functional · operational · working · operative · functioning
unserviceablerepairable
Able to be fixed
fixable · salvageable · maintainable · restorable · mendable
serve, service, serving, servant, served, server, services, servitude, servile