nonoperational
Out of service
Not functioning or not in active use.
Equipment that is nonoperational may be broken, under maintenance, or simply not yet deployed: The radar system is nonoperational until repairs are complete.
In military and organizational contexts, nonoperational distinguishes support functions from active missions: nonoperational personnel, nonoperational costs.
Inactive but capable
- idleWithout activity or purpose
- deactivatedRendered inoperative
- suspendedHalted or hanging temporarily
- standbyReady substitute awaiting use
mothballed · offline · unused · quiescent · out-of-service · parked · sidelined · benched
No longer in use
- discontinuedNo longer available
- deprecatedFormally advised against using
- supersededReplaced by something newer
- retiredNo longer in workforce
phased-out · decommissioned · defunct · outmoded · legacy · antiquated · end-of-life · unsupported
Operating incorrectly or failing
- defectiveHaving inherent faults
- faultyHaving defects or errors
- damagedMade worse by injury
- dysfunctionalNot operating properly
out-of-order · busted · kaput · impaired · unusable · nonfunctioning · failed · down
dormant
Inactive but capable
- idleWithout activity or purpose
- deactivatedRendered inoperative
- suspendedHalted or hanging temporarily
standby · mothballed · offline · unused · quiescent · out-of-service · parked · sidelined · benched · grounded
outdated
No longer in use
- discontinuedNo longer available
- deprecatedFormally advised against using
- supersededReplaced by something newer
retired · phased-out · decommissioned · defunct · outmoded · legacy · antiquated · end-of-life · unsupported · abandoned
malfunctioning
Operating incorrectly or failing
dysfunctional · out-of-order · busted · kaput · impaired · unusable · nonfunctioning · failed · down · broken-down
- nonfunctionalbroken, malfunctioning, out of order, nonfunctional, defunct
nonoperationaloperational
Ready to function
functional · working · functioning · active · running
nonoperationaloperational
Ready to function
active · in operation · deployed · commissioned · activated
operate, operation, cooperation, operator, cooperative, cooperate, operative, uncooperative, operations