despair dishearten sadden droop flag falter brood fret mope lament grieve languish sulk repine bleed obsess gloom sigh worry pine pout idle moon grump regret yearn sink ache grumble chafe grouse gripe scowl grouch pucker agonize sorrow mourn suffer bemoan rue agonise glower lower frown daydream swoon dream romanticize fantasize rhapsodize gush rhapsodise fantasise fade weaken decline decay wilt wither fail deteriorate dwindle diminish sag ebb lag emaciate go rot waste molder moulder sicken faint tucker hunger long hanker ail teeter degenerate wane worsen atrophy regress crumble fall retrograde devolve drop slump retrogress slide slip lessen disintegrate degrade tire collapse