alliteration
angst
anguish
anxiety
assonance
banality
boredom
changelessness
cheerlessness
chime
colorlessness
dingdong
discomfort
discomposure
discontent
dislike
displeasure
disquiet
dissatisfaction
doldrums
drabness
dread
dreariness
drone
drudgery
dullness
emptiness
ennui
existential woe
flatness
grimness
harping
humdrum
inquietude
insipidity
insipidness
invariability
irksomeness
jingle
jingle-jangle
joylessness
lack of pleasure
long-windedness
malaise
monotone
monotony
nausea
taedium
tedious
chagrin
discouragement
dulness
helplessness
homesickness
humiliation
loathe
privation
tediousness
torment
unhappiness
weariness
wretchedness
medium