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What is another word for deleterious?

Need synonyms for deleterious? Here's a list of similar words from our thesaurus that you can use instead.

Adjective
▲
Harmful, often in a subtle or unexpected way
adverse
detrimental
damaging
harmful
dangerous
injurious
pernicious
baleful
baneful
hurtful
bad
inimical
noxious
prejudicious
ruinous
destructive
nocuous
prejudicial
unfavorableUS
unfavourableUK
disadvantageous
ill
negative
nocent
destroying
ruining
undesirable
unfortunate
evil
wicked
mischievous
more ❯
“I see the deleterious consequences of this mistaken belief in many of my patients.”
Adjective
▲
Giving the impression that something harmful or evil is happening or will happen
sinister
threatening
menacing
frightening
ominous
dire
scary
baleful
direful
forbidding
foreboding
inauspicious
alarming
spooky
creepy
eerie
portentous
ill
doomy
harmful
unfavourableUK
minatory
injurious
unpropitious
adverse
pernicious
evil
unfavorableUS
hurtful
dark
disturbing
malignant
baneful
unfortunate
unlucky
bodeful
disquieting
disastrous
black
nasty
minacious
eldritch
malign
sinistrous
apocalyptic
lowering
minatorial
doomful
woeful
ill-boding
ill-omened
evil-looking
suggestive of evil
more ❯
Adjective
▲
Evil or morally wrong
wicked
evil
bad
immoral
sinful
corrupt
vile
iniquitous
villainous
foul
nefarious
unrighteous
wrong
irreligious
abominable
heinous
impious
profane
wrongful
base
depraved
sacrilegious
ungodly
unholy
blasphemous
erring
fallen
irreverent
rotten
black
contemptible
dark
impure
monstrous
outrageous
reprehensible
shocking
sullied
tainted
despicable
detestable
diabolical
dissolute
execrable
godless
hateful
horrible
odious
unlawful
unprincipled
abandoned
criminal
dangerous
diabolic
egregious
guilty
illicit
murderous
reprobate
worthless
degenerate
felonious
illegal
illegitimate
indictable
lawless
perverted
roguish
scandalous
shameful
sordid
amoral
crooked
damaging
debased
devilish
dishonest
dishonorableUS
dishonourableUK
flagitious
more ❯
Adjective
▲
Arousing or meriting strong disgust, aversion, or displeasure
noisome
disgusting
nasty
foul
revolting
sickening
repellent
offensive
horrible
loathsome
nauseating
repulsive
distasteful
awful
dreadful
odious
obnoxious
horrid
repugnant
abominable
appalling
gross
vile
hideous
horrendous
nauseous
abhorrent
unpleasant
obscene
disagreeable
shocking
yucky
noxious
objectionable
rancid
scandalous
repellant
ghastly
detestable
unpalatable
evil
ugly
beastly
fulsome
stinking
bad
displeasing
disgustful
putrid
unsavouryUK
execrable
hateful
unsavoryUS
loathly
uninviting
yucko
rank
malodorous
smelly
foetidUK
fetidUS
bogging
skanky
mephitic
niffy
festy
olid
unwholesome
reeking
poisonous
pestiferous
baneful
harmful
hurtful
injurious
pestilential
unhealthy
off-putting
God-awful
sick-making
more ❯
Adjective
▲
Characterized by or causing degeneration
degenerative
deteriorating
worsening
backward
regressive
retrogressive
unprogressive
wasting
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See Also

Nearby Words
deleterious effect
deleterious effects
deleteriously
deleteriousness
deleterious to
deletes
delete parts of
delete one's account
deleted parts of
deleted
delete
deletable
11-letter Words Starting With
d
de
del
dele
delet
delete
deleter
deleteri
deleterio
deleteriou
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