unkeepable
Impossible to maintain
Something unkeepable cannot be held onto or maintained.
An unkeepable promise is one that circumstances make impossible to fulfill.
An unkeepable secret will inevitably come out.
In sports, an unkeepable shot is one no goalkeeper could reasonably save: The striker's volley was simply unkeepable.
Cannot be accessed
- unobtainableImpossible to acquire
- inaccessibleCannot be reached
- unachievableCannot be accomplished
- impossibleIncapable of occurring
unrealizable · out of reach · elusive · unwinnable · hopeless · forbidden · lost causes · pipe dreams
Lasting very briefly
- transientTemporary, soon departing
- momentaryLasting very briefly
- evanescentTending to vanish quickly
- passingMoving by or temporary
short-lived · transitory · fugitive · vanishing · fading · disappearing · fugacious · meteoric
Not deserving of confidence
- undependableNot consistently trustworthy
- inconsistentLacking steady uniformity
- fickleErratically disloyal in affection
- erraticLacking regularity or consistency
capricious · mercurial · volatile · unstable · unpredictable · flaky · shifty · slippery
Cannot be kept functional
- unsustainableCannot be maintained indefinitely
- unmanageableImpossible to control
- impracticableImpossible to implement
- unworkableImpossible to execute
insupportable · burdensome · costly · demanding · high-maintenance · labor-intensive · time-consuming · overwhelming
Officially not permitted
- illicitProhibited by law
- contrabandProhibited trade goods
- bannedOfficially disallowed
- unlawfulForbidden by statute
secret · taboo · clandestine · stolen · smuggled · black market · unauthorized · restricted
unreachable
Cannot be accessed
- unobtainableImpossible to acquire
- inaccessibleCannot be reached
- unachievableCannot be accomplished
impossible · unrealizable · out of reach · elusive · unwinnable · hopeless · forbidden · lost causes · pipe dreams
ephemeral
Lasting very briefly
- transientTemporary, soon departing
- momentaryLasting very briefly
- evanescentTending to vanish quickly
passing · short-lived · transitory · fugitive · vanishing · fading · disappearing · fugacious · meteoric · flash
untrustworthy
Not deserving of confidence
- undependableNot consistently trustworthy
- inconsistentLacking steady uniformity
- fickleErratically disloyal in affection
erratic · capricious · mercurial · volatile · unstable · unpredictable · flaky · shifty · slippery · treacherous
unmaintainable
Cannot be kept functional
- unsustainableCannot be maintained indefinitely
- unmanageableImpossible to control
- impracticableImpossible to implement
unworkable · insupportable · burdensome · costly · demanding · high-maintenance · labor-intensive · time-consuming · overwhelming · exhausting
prohibited
Officially not permitted
- illicitProhibited by law
- contrabandProhibited trade goods
- bannedOfficially disallowed
unlawful · secret · taboo · clandestine · stolen · smuggled · black market · unauthorized · restricted · classified
unkeepablesecurable
Able to be locked
containable · controllable · manageable · guardable · defensible
unkeepablekeepable
Fit to be stored
retainable · preservable · maintainable · savable · storable
keep, keeper, keepers, keeping, keeps, kept, upkeep, keepable, gatekeeper