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.

Balogun then looked over at a frowning Ream, who had just finished urging his teammates to be sure to stop and smell the flowers along this World Cup journey.

From Los Angeles Times • Jun. 9, 2026

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

Sam's prediction: This is interesting because Liverpool still need something to be sure of finishing fifth.

From BBC • May 22, 2026

“I did the analysis, and I redid the analysis, and I redid the analysis, because I wanted to be sure of what I’m seeing,” Weyer said.

From The Wall Street Journal • May 6, 2026

He waited another couple of seconds to be sure his skin didn’t fade again, then returned to the office.

From "Boy 2.0" by Tracey Baptiste

to be sure

Example Sentences

Related Words