mope (n.)
- ache
- amble
- bitch
- bleed
- brood
- brooder
- dallier
- dawdler
- depressive
- despond
- dillydallier
- do-nothing
- drift
- faineant
- fret
- goldbrick
- goof-off
- grouch
- grump
- idler
- laggard
- linger
- lingerer
- loafer
- loiterer
- lotus-eater
- lounger
- lubber
- melancholiac
- melancholic
- muck
- pine
- potterer
- pout
- putterer
- slouch
- sloucher
- slug
- sluggard
- sorrow
- sourpuss
- stick-in-the-mud
- stroll
- sulk
- trifler