Useless (2,4)
'useless' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for no good that I've seen before include "worthless sort" , "Useless, not worth bothering about" , "Futile; worthless" , "Hopeless" , "(Of a person) beneath contempt" .)
'useless' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for futile that I've seen before include "Pointless, a waste of effort" , "Useless, a waste of effort" , "Ineffectual,in vain" , "Unavailing, a waste of time" , "Effectless" .)
'useless' is the definition.
(synonyms)
This is all the clue.
(Other definitions for otiose that I've seen before include "unnecessary to say" , "Without practical purpose" , "Devoid of worth or significance" , "Serving no good purpose" , "Serving no practical purpose" .)
'useless' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for vain that I've seen before include "thoughtless" , "Useless; conceited" , "Having an exaggerated sense of self-importance" , "Having too much pride in one's appearance" , "Conceited or unsuccessful" .)
'useless' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for inept that I've seen before include "Maladroit" , "Useless, awkward" , "Awkward, showing no skill" , "Clumsy, bungling" , "pointless" .)
'useless' is the definition.
(similar in meaning)
This is the entire clue.
(Another definition for inutile that I've seen is " Not worth using, useless".)
'useless' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for neer-do-well that I've seen before include "Good-for-nothing" , "Useless person" , "Lazy irresponsible person" , "Wastrel" , "Worthless person" .)