Unhappy (3)
'unhappy' is the definition.
(I know that low is a more specific form of the attribute unhappy)
This is the entire clue.
(Other definitions for low that I've seen before include "Not elevated, may be base" , "Depressed or base" , "sound from Hereford?" , "SECOND PART OF 14" , "Make a cow-like noise" .)
'unhappy' is the definition.
(associated in meaning)
This is all the clue.
(Other definitions for sad that I've seen before include "Doleful" , "Morose" , "Deplorable" , "grey" , "Disconsolate" .)
'unhappy' is the definition.
(blue can mean sad or miserable)
This is all the clue.
(Other definitions for blue that I've seen before include "e.g. Indigo" , "Australian redhead" , "Sad; university sportsman" , "Sad - colour" , "very cold" .)
'unhappy' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for glum that I've seen before include "Long-faced" , "Doleful" , "Sad, down-in-th-mouth" , "Sad and gloomy" , "Miserable" .)
'unhappy' is the definition.
(associated in meaning)
This is all the clue.
(Other definitions for discontent that I've seen before include "Bad feelings" , "Now is the winter of our - (Richard III)" , "Dissatisfaction" , "Unhappiness" , "Now is the winter of our - (Rich.III)" .)