Blue (3)

'blue' is the definition.
(I know that blue can be written as sad)
This is all the clue.
(Other definitions for sad that I've seen before include "Mournful - sorry" , "Melancholy or pitiful" , "Despondent" , "Blue" , "Downcast" .)
'blue' is the definition.
(both can mean sad)
This is all the clue.
(Other definitions for low that I've seen before include "Inferior; moo" , "Depressed; near the ground" , "Not high - that's mean" , "something from Guernsey?" , "Without great height" .)
(Other definitions for ami that I've seen before include "A male friend in France" , "Friend (Fr.)" , "Parisian's friend" , "buddy" , "friend abroad?" .)
'blue' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for unhappy that I've seen before include "Dejected, not contented" , "Infelicitous" , "down in the dumps" , "Unfortunate; miserable" , "Sad, distressed" .)
'blue' is the definition.
(I know that blue can be written as risque)
This is all the clue.
(Other definitions for risque that I've seen before include "Spicy" , "Bordering on the unseemly" , "Squire (anag.)" , "Mildly indecent" , "Daring" .)
'blue' is the definition.
(blue can mean racy or obscene)
This is the entire clue.
(Other definitions for racy that I've seen before include "Lively" , "Slightly indecent" , "Spicy" , "Sexually suggestive" , "Suggestive, risque" .)
'blue?' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for glum that I've seen before include "Melancholy" , "Moody and melancholic" , "In low spirits" , "Down in the mouth, depressed" , "Unhappy" .)