to be sure

ADVERB

indeed

Synonyms

STRONGEST

absolutely certainly easily naturally really surely truly undeniably undoubtedly very very much

WEAK

amen doubtlessly even for real in point of fact in truth much of course positively strictly sure thing verily veritably well

Antonyms

STRONGEST

doubtfully dubiously indefinite questionably

ADVERB

surely

Synonyms

STRONGEST

absolutely assuredly certainly clearly definitely evidently indeed inevitably inexorably plainly undoubtedly unquestionably

WEAK

admittedly beyond doubt beyond shadow of doubt come what may conclusively decidedly distinctly doubtlessly explicitly fixedly for certain indubitably infallibly irrefutably manifestly nothing else but positively rain or shine unequivocally unerringly unfailingly unmistakably unshakably with certainty without fail

Antonyms

STRONGEST

doubtfully dubiously indefinite indefinitely questionably vaguely

WEAK

uncertain

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A false, artificial note, it seemed to me, though, to be sure, this sort of narrative troublemaking is endemic to television romance; we will see how that cadence resolves in the surely coming second season.

From Los Angeles Times • Jun. 1, 2026

City getting a point means Arsenal still have to win their final three games to be sure of being champions, so it is not over yet.

From BBC • May 7, 2026

Not all of this content is bad, to be sure.

From Slate • May 3, 2026

That isn’t a good thing, to be sure: It means competitors are eating its lunch in serving AI workloads.

From The Wall Street Journal • Apr. 23, 2026

I didn’t know for sure if he’d put them in the fridge, so I put them in just to be sure.

From "Unusual Chickens for the Exceptional Poultry Farmer" by Kelly Jones

to be sure

Example Sentences

Related Words