entertaining, making someone laugh:
sadness,
boredom,
depression,
drudgery,
trouble,
work,
gloom,
pain,
misery,
sorrow,
unhappiness,
melancholy.
game, pastime:
vocation,
profession.
noun:
weariness,
lassitude,
work,
labor,
fatigue,
toil,
ennui.