Related by context. Frequent words. (Click for all words.) 50 obsolete 50 useless 47 inaccessible 47 defective 45 faulty 44 malfunction 43 invalid 42 disconnected 42 overloaded 40 ineffective 40 repaired 39 functioning 39 unsafe 38 worthless 38 irrelevant 38 non existent 37 unattended 37 inactive 37 dormant 37 submerged 37 insufficient 36 unsatisfactory 36 intermittent 36 moot 35 ceased 35 clogged 35 incompatible 35 inadequate 35 disable 35 redundant 35 outdated 35 discontinued 35 disabling 34 unreliable 34 absent 34 disrepair 34 crippled 34 overheated 33 removed 33 unoccupied 33 problematic 33 unfit 33 repealed 33 silent 33 nonexistent 33 empty 33 deficient 32 jammed 32 intermittently 32 insolvent 32 discarded 32 impractical 32 shut 32 plugged 32 inspected 32 inefficient 32 uncontrolled 32 inconvenient 32 abandoned 32 restarted 31 failure 31 antiquated 31 unaffordable 31 untenable 31 erroneous 31 obstructed 31 extinguished 31 unqualified 31 ignition 31 wiring 31 unused 31 damaged 31 undeclared 31 indispensable 31 installed 30 stuck 30 unproductive 30 incompetent 30 unresponsive 30 ignored 30 static 30 unsuitable 30 compliant 30 incapable 30 activated 30 devoid 30 derelict 30 incorrect 30 degraded 30 electrical 30 stationary 30 meaningless 30 violation 30 paralyzed 30 unchecked 30 unstable 29 abolished 29 unprotected 29 illegal 29 idle 29 unprofitable