Sad (7)

'sad' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for unhappy that I've seen before include "In low spirits" , "Dejected, not contented" , "Sad, distressed" , "Woeful" , "Infelicitous" .)
'sad' is the definition.
(I know that sad can be written as pitiful)
This is all the clue.
(Other definitions for pitiful that I've seen before include "Arousing feeling of sorrow, lamentable" , "base" , "Miserable" , "Sad - wretched" , "in such a sorry state" .)
'sad' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for doleful that I've seen before include "Cheerless" , "Miserable" , "Lugubrious" , "Dreary" , "Causing grief; sorrowful" .)
'sad' is the definition.
(I know that sad can be written as blue)
This is all the clue.
(Other definitions for blue that I've seen before include "Primary colour" , "very cold" , "Azure" , "Vulgar" , "Colour - near the knuckle!" .)
'sad' is the definition.
(down can mean sad or unhappy)
This is the entire clue.
(Other definitions for down that I've seen before include "Not working (computer)" , "Fuzz" , "Some 13 Acrosses" , "like the other set of clues" , "Depressed - Irish county" .)
(Other definitions for sack that I've seen before include "Fire the old drink?" , "Plunder - dry white wine - dismissal" , "Receptacle" , "A bag for Falstaff's drink" , "Container for coal etc" .)
'sad' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for pathetic that I've seen before include "Hapless, miserable" , "Arousing pity, miserably inadequate" , "Poor" , "Inspiring pity, contempt" , "Arousing pity or sadness" .)
'sad' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for downcast that I've seen before include "blue" , "directed towards ground" , "Sad" , "Crestfallen" , "Melancholic" .)
'sad' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for mournful that I've seen before include "Gloomy" , "Sad, regretful" , "Doleful, plaintive" , "Feeling grief" , "Lugubrious" .)
'sad' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for sorrowful that I've seen before include "Grief-stricken" , "Miserable" , "Unhappy" , "Melancholy" , "Sad, dejected" .)