Obsession (9)
'obsession' is the definition.
(as in 'having a thing' for someone or something)
This is all the clue.
(Other definitions for thing that I've seen before include "A creature" , "Obsession" , "Individual unit" , "Individual object" , "See 1" .)
'obsession' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for mania that I've seen before include "Obsessional enthusiasm" , "thing" , "Excessive enthusiasm" , "fixation" , "Madness - craze" .)
'obsession' is the definition.
(I know that obsession can be written as fixation)
This is all the clue.
(Other definitions for fixation that I've seen before include "thing" , "Obsession" , "Obsessive interest" , "Unhealthy preoccupation" .)
'obsession' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for monomania that I've seen before include "Single-minded passion" , "Unhealthy preoccupation with one thing" , "obsessive single-mindedness" , "Obsession with one thing" .)