deadly

The word “deadly” has 2 syllables: dead-ly

It's pronounced as /ˈdɛd.li/

What is synonym and antonym for deadly?

In the thesaurus, “deadly” has 276 synonyms and 89 antonyms.

Here are synonyms and antonyms for deadly along with examples of usage in sentences.

Synonyms for deadly

a lot
absolute
absolutely
abundantly
achingly
all-out
almighty
altogether
amazingly
appreciably
archly
arrant
as all get-out
ashen
astonishingly
astronomically
authentic
awful
awfully
badly
baleful
baneful
beastly
blank
blisteringly
bloodthirsty
bloody
blooming
bodacious
bone
cadaverous
cannibalistic
carcinogenic
categoric
categorical
classic
clean
colossally
complete
completely
confirmed
considerably
constant
consummate
corking
corpselike
cracking
crashing
cruel
damn
damned
dang
dangerous
dead
deadened
death-dealing
deathful
deathlike
deathly
deeply
definite
deleterious
desperately
destroying
destructive
discernibly
downright
dreadful
eminently
endless
enormously
entirely
especially
eternal
ever
exceeding
exceedingly
exceptionally
excessively
extensively
extra
extraordinary
extreme
extremely
fabulously
fair
fantastically
far
fatal
fateful
fell
fiercely
filthy
flat
flat-out
frightful
frightfully
full
fully
genuine
ghastly
ghostlike
ghostly
good and
grandly
grave
greatly
grievous
grim
habitual
harmful
hazardous
heavily
highly
homicidal
hopeless
horrible
huge
hugely
immensely
inactive
incredibly
inert
infectious
infective
injurious
inoperative
intensely
internecine
inveterate
jeopardizing
jolly
killer
killing
lethal
lifeless
macabre
main
majorly
malignant
markedly
menacing
mightily
mighty
monstrous
monstrously
monumentally
mortal
mortally
mortiferous
mortuary
most
much
murderous
notably
noticeably
noxious
obscenely
obviously
out-and-out
outright
overmuch
pallid
palpably
parlous
particularly
passing
perfect
perilous
pernicious
perpetual
pestiferous
pestilent
pestilential
phantom
plainly
plentifully
plumb
poisonous
positively
profound
profoundly
pure
purely
quiescent
radically
rank
rattling
real
really
regular
remarkably
right
risky
roaring
roaringly
ruthless
sanguinary
sanguine
savage
serious
seriously
severely
sheer
significantly
simple
slaying
so
sore
sorely
spanking
specially
spectral
staggeringly
stark
still
stinking
stone
straight-out
sublethal
substantially
such
suicidal
super
superlative
supreme
supremely
surpassing
surpassingly
terminal
terrible
terribly
terrific
that
thorough
thoroughgoing
thoroughly
threatening
thumping
too
total
totally
toxic
truculent
ugly
unadulterated
unalloyed
unco
uncommonly
unconditional
undying
unhealthy
unmitigated
unqualified
unrelenting
unremitting
unrestricted
unsound
utter
utterly
vastly
venomous
veritable
very
violent
virulent
visibly
vital
vitally
wan
way
whacking
white
wholly
wicked
wildly

Antonyms for deadly

able-bodied
active
advantageous
alive
alleviative
animate
animated
animating
barely
beneficial
benign
bouncing
breathing
brisk
calm
chipper
corrective
curative
doubtful
dubious
energetic
energizing
equivocal
fit
frisky
gay
gentle
hale
hardly
harmless
healthful
healthy
hearty
helpful
invigorating
jaunty
jazzy
just
kind
life-giving
little
live
lively
living
marginally
meagerly
minimally
negligibly
nice
nominally
nonfatal
nonlethal
nonpoisonous
nontoxic
peppy
perky
pert
qualified
questionable
racy
remedial
restorative
restricted
robust
safe
salubrious
salutary
scantily
scarcely
slightly
snappy
somewhat
sound
spanking
sparky
spirited
sprightful
sprightly
springy
tonic
uncertain
useful
vigorous
vital
vivacious
well
whole
wholesome
zippy

Meanings of deadly

adjective
1. Subject to death; mortal.
2. Causing death; lethal.
3. Aiming or willing to destroy; implacable; desperately hostile.
4. Very accurate (of aiming with a bow, firearm, etc.).
5. Very boring.
6. Excellent, awesome, cool.
adverb
1. Fatally, mortally.
2. In a way which suggests death.
3. Extremely.

Example Sentences

The snake's venom contains a deadly toxin that can be fatal if not treated promptly.
The assassin's aim was deadly, hitting the target with precision from a considerable distance.
In some regions, droughts can have deadly consequences, leading to famine and dehydration.
The virus spread rapidly, proving to be a deadly threat to public health around the world.
The storm unleashed its deadly fury, causing widespread destruction and loss of life in its path.

On this page you'll find 365 synonyms, antonyms, or another words to deadly, such as: a lot, able-bodied, absolute, absolutely, abundantly, achingly, active.

Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.