Be sure


Synonyms for be sure
verb understand, discern

see
identify
know
learn
discriminate

recognize
clinch
discover
perceive
comprehend

deduce
differentiate
determine
ascertain
distinguish

divine
find out
make out
know for certain

Antonyms for be sure

mix up
misunderstand
listen
estimate

guess
overlook
confuse
miss

misinterpret
figure

Synonyms
adv actually

easily
certainly
very
truly
absolutely
surely
naturally

undoubtedly
really
amen
even
much
of course
positively

strictly
sure thing
well
doubtlessly
verily
very much
undeniably

for real
in point of fact
in truth
to be sure
veritably

Antonyms

doubtfully
dubiously

questionably
indefinite

Synonyms
adv without doubt

inevitably
certainly
assuredly
plainly
absolutely
indeed
unquestionably
evidently
definitely
undoubtedly

clearly
decidedly
distinctly
indubitably
positively
conclusively
doubtlessly
inexorably
admittedly
beyond doubt

beyond shadow of doubt
come what may
explicitly
fixedly
for certain
for real
infallibly
irrefutably
manifestly
nothing else but

rain or shine
to be sure
unequivocally
unerringly
unfailingly
unmistakably
unshakably
with certainty
without fail

Antonyms

doubtfully
dubiously
indefinitely

questionably
indefinite
vaguely

uncertain

Usage Notes

Both sure and surely are used as intensifying adverbs with the sense “undoubtedly, certainly.” In this use, sure is generally informal and occurs mainly in speech and written representations of speech: She sure dazzled the audience with her acceptance speech. It was sure hot enough in the auditorium. Surely is used in this sense in all varieties of speech and writing, even the most formal: The court ruled that the law was surely meant to apply to both profit-making and nonprofit organizations. See also quick, slow.

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