out of commission
out of whack
out-of-service
out of order
no-go
inactive
unserviceable
nonoperational
wrong
haywire
awry
amiss
inoperative
malfunctional
broken
noninteroperable
bunk
nonperforming
acopic
misfunctioning
silent
unutilizable
nonmaintainable
unmaintainable
inoperational
unsufficed
duff
fractious
nonexecuting
unusable
buggered
nonusable
afunctional
non-op
inexecution
bad
dysfunctional
unstabilizable
brokedown
botchy
unskillful
butcherly
nonexecutable
inoperable
nonexecution
unexecutable
malfunction
stiff
inefficacious
underprepared
noneffective
afunction
unefficacious
non-computable
demic
kittle
nonsuccessful
nonefficacious
nonrepairable
unmanaged
prefunctional
nonoperating
cranky
unimplemented
unubiquitylated
defective
kill
on the bum
go
puckeroo
break down
nonmonitorable
give out
conk out
break
die
fail
unsuccessfully
go bad
unmonitorable
broken-down
give way
nonadsorbent
unchecked
nonintegrable
nonefficient
off the boil
unworkable
inostensible
nonrunnable
off keel
standing
unrunnable
out of whack
out-of-service
no-go
inactive
unserviceable
nonoperational
wrong
haywire
awry
amiss
inoperative
malfunctional
broken
noninteroperable
bunk
nonperforming
acopic
misfunctioning
silent
unutilizable
nonmaintainable
unmaintainable
inoperational
unsufficed
duff
fractious
nonexecuting
unusable
buggered
nonusable
afunctional
non-op
bad
dysfunctional
unstabilizable
brokedown
botchy
unskillful
butcherly
nonexecutable
inoperable
unexecutable
stiff
inefficacious
underprepared
noneffective
unefficacious
non-computable
demic
kittle
nonsuccessful
nonefficacious
nonrepairable
out of order
unmanaged
prefunctional
nonoperating
cranky
unimplemented
unubiquitylated
defective
puckeroo
nonmonitorable
unmonitorable
broken-down
nonadsorbent
unchecked
nonintegrable
nonefficient
unworkable
inostensible
nonrunnable
standing
unrunnable
unsuccessfully
inexecution
nonexecution
malfunction
afunction
kill
go
break down
give out
conk out
break
die
fail
go bad
give way
English words for 'Not operational; not functioning properly.'
As you may have noticed, above you will find words for "Not operational; not functioning properly.". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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