liveliness; activity:
discouragement,
unhappiness,
lifelessness,
depression,
coolness,
indifference,
dullness,
sadness,
calmness,
apathy,
coldness,
idleness,
lethargy,
laziness,
inactivity,
calm,
enervation.
noun:
dullness,
tediousness,
weariness,
impassivity,
lethargy,
inactivity,
languidness,
limpness,
vapidity,
torpidity,
pallidness,
vapidness,
sluggishness,
torpor,
anemia,
lifelessness,
apathy,
spiritlessness,
languor,
sleepiness.