Definitions

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.

Each venue will have different programming, so fans are encouraged to check the schedule in advance to be sure they catch their preferred games.

From Los Angeles Times • May 5, 2026

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

From Slate • May 3, 2026

As one of them put it: "We have to be sure that when there is a contest we can have a candidate who can lead us in to the next election."

From BBC • Apr. 22, 2026

Western officials and outside experts said the quick start-up of centrifuges was an accomplishment, but added that it would take at least six months to be sure Iran had mastered the enrichment process.

From The Wall Street Journal • Apr. 6, 2026

With Khrushchev, it was hard to be sure.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin

to be sure

Example Sentences

Related Words