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Synonyms and antonyms of certainly in English

certainly

adjective, adverb
These are words and phrases related to certainly. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of certainly.

ALL RIGHT

Synonyms

absolutely
all right
yes
very well
O.K.
Informal

Antonyms

no
not at all
absolutely not

certainly

adverb

VERY

Synonyms

definitely
assuredly
decidedly
unquestionably
emphatically
perfectly
absolutely
very
extremely
exceedingly
especially
unusually
exceptionally
uncommonly
abnormally
terribly
awfully
intensely
deeply
profoundly
really
truly
obviously
undeniably
veritably
remarkably
notably
strikingly
markedly
significantly
eminently
greatly
vastly
hugely
immensely
tremendously
highly
most
much
mighty
quite
extra
completely
totally
entirely
thoroughly
abundantly
excessively
surpassingly
mondo
Slang

YES

Synonyms

yes
aye
yea
it is so
just so
true
granted
of course
surely
really
truly
verily
to be sure
assuredly
indeed
emphatically
no doubt
undoubtedly
doubtless
positively
precisely
exactly
so be it
amen
affirmatively
in the affirmative

Antonyms

not so
untrue
wrong
false
of course not
no indeed
doubtfully
negatively
in the negative

CLEARLY

Synonyms

clearly
undoubtedly
beyond doubt
beyond question
unquestionably
decidedly
palpably
undeniably
plainly
evidently
unmistakably
assuredly
recognizably
patently
distinctly
noticeably
unequivocally
indubitably
perceptibly
surely
obviously
manifestly
observably
markedly

TRULY

Synonyms

truly
unquestionably
beyond question
beyond doubt
indubitably
no doubt
unequivocally
assuredly
verily
incontestably
without question
indisputably
absolutely
indeed
really
in truth
in actuality
in fact
surely
positively
definitely
to be sure

Antonyms

questionably
dubiously
uncertainly

INDEED

Synonyms

indeed
in fact
truly
in reality
without question
for sure
veritably
in truth
undeniably
really
to be sure
with certainty
positively
strictly speaking
joking apart
as a matter of fact
to tell the truth
to be honest
in point of fact
actually
coming right down to it

SURELY

Synonyms

surely
for certain
assuredly
without doubt
undoubtedly
doubtless
unquestionably
definitely
positively
indubitably
emphatically
by all means
come what may
without fail
no doubt
to be sure
infallibly
of course

DEFINITELY

Synonyms

definitely
doubtless
indubitably
unquestionably
absolutely
undeniably
surely
unequivocally
assuredly
positively
inescapably
categorically
unavoidably
incontrovertibly
expressly
explicitly
decisively

Antonyms

perhaps
maybe
possibly
potentially
plausibly

REALLY

Synonyms

surely
veritably
verily
positively
unquestionably
absolutely
categorically
really
actually
in fact
truly
truthfully
genuinely
literally
indeed

POSITIVELY

Synonyms

emphatically
categorically
unqualifiedly
affirmatively
assuredly
confidently
positively
absolutely
unhesitatingly
unquestionably
indisputably
decidedly
definitely
unmistakably
indubitably

EVIDENTLY

Synonyms

obviously
clearly
plainly
unquestionably
unmistakably
undeniably
doubtless
doubtlessly
evidently
apparently
assumedly
to all appearances
 Synonyms for certainly from Random House Roget's College Thesaurus, Revised and Updated Edition © 2000 Random House, Inc.

Browse

ceremonious
ceremoniousness
ceremony
certain
certainly
certainly not
certainty
certificate
certificate of identity

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a kind and generous character

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