Definitions

to be sure

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indeed adv.
surely adv.

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.

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to be sure

There are other reasons why demand for refreshers has continued to rise beyond just the economic factors, to be sure.

From Slate ● Aug. 14, 2026

Biln asked him to be sure he wasn’t hurt anywhere else.

From Los Angeles Times ● Aug. 6, 2026

The state of California wants to be sure that such things never happen again.

From The Wall Street Journal ● Jul. 30, 2026

Be sure to check your local branch to be sure.

From MarketWatch ● Jul. 1, 2026

And she, “Only to be sure it was paying him too great a compliment, but she did think there were some looks a little like Mr. Elton.”

From "Emma" by Jane Austen

to be sure

Example Sentences

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