sure

The word “sure” has 1 syllable: sure

It's pronounced as /ʃʊr/

What is synonym and antonym for sure?

In the thesaurus, “sure” has 153 synonyms and 76 antonyms.

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

Synonyms for sure

absolute
accomplished
all right
alright
assured
assuredly
attested
authenticated
bedrock
blameless
by all means
by all odds
calculable
certain
certainly
clear
clearly
cocksure
conceivably
conclusive
confident
confirmed
constant
damn well
deadly
decided
decisive
definite
definitely
dependable
destined
devoted
doubtless
easily
effective
fail-safe
faithful
fast
fated
faultless
firm
for certain
for sure
foreordained
forsooth
good
guiltless
hands down
hands-down
honest
impeccable
implicit
in the bag
in the cards
inarguable
inarguably
incontestable
incontestably
incontrovertible
incontrovertibly
indeed
indisputable
indisputably
indubitable
ineluctable
ineludible
inerrant
inescapable
inevitable
inexorable
infallible
irrefragable
irrefutable
irreproachable
likely
loyal
necessary
obviously
on the cards
perhaps
plainly
positive
possible
possibly
predestined
predetermined
preordained
probable
probably
proven
really
relentless
reliable
resolute
responsible
safe
sanguine
secure
self-assured
self-conceited
self-confident
settled
sincere
single-minded
so
solid
sound
stanch
staunch
steadfast
steady
strong
surefire
surely
telling
tried
tried-and-true
true
true-blue
truly
trustable
trustworthy
trusty
unambiguous
unanswerable
unarguable
unarguably
unavoidable
unchallengeable
uncontested
uncontradicted
undeniable
undeniably
undisputed
undoubtedly
unequivocal
unerring
unescapable
unfailing
unfaltering
unhesitating
unimpeachable
unmistakably
unquestionable
unquestionably
unquestioned
unquestioning
unremitting
unstoppable
unwavering
valid
validated
verified

Antonyms for sure

academic
academical
ambiguous
answerable
arguable
avoidable
contradictable
controversial
controvertible
debatable
debated
deceitful
diffident
dishonest
disloyal
disputable
disputed
dodgy
doubtable
doubtful
dubious
equivocal
evadable
faithless
fallible
false
fickle
fishy
hazardous
hesitant
hypothetical
iffy
improbable
inconclusive
inconstant
indecisive
lying
mendacious
moot
negotiable
perfidious
preventable
preventible
problematic
problematical
questionable
recreant
refutable
risky
shady
shaky
speculative
suspect
theoretic
theoretical
traitorous
treacherous
unassuming
uncertain
unclear
unconfirmed
undecided
undependable
unfaithful
unlikely
unreliable
unsafe
unsettled
unsound
unsure
untried
untrue
untrustworthy
untruthful
vacillating
wavering

Meanings of sure

adjective
1. Physically secure and certain, non-failing, reliable.
2. Certain in one's knowledge or belief.
3. Certain to act or be a specified way.
4. Free from danger; safe; secure.
5. Betrothed; engaged to marry.
adverb
1. (modal adverb) Without doubt, certainly.
interjection
1. Yes. (Expresses noncommittal agreement or consent.).
2. Yes; of course.

Example Sentences

Are you sure about the answer?
I’m sure she will call you back.
Sure, I can help you with that.
He wasn’t sure if the meeting was today.
We need to be sure before making a decision.

On this page you'll find 229 synonyms, antonyms, or another words to sure, such as: absolute, academic, academical, accomplished, all right, alright, ambiguous.

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