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Definitions

sure of oneself

ADJECTIVE
composed
Synonyms
STRONGEST
confident easygoing levelheaded poised relaxed self-assured serene tranquil unflappable unruffled
STRONG
calmed cool possessed quieted repressed sedate soothed suppressed
WEAK
at ease clearheaded commonsensical cool as cucumber disimpassioned dispassionate easy have one's act together imperturbable keeping a stiff upper lip keeping one's shirt on nonchalant not turn a hair placid self-possessed sensible serious staid temperate together untroubled
Antonyms
STRONGEST
agitated nervous upset worried
STRONG
excited
WEAK
angered annoyed aroused distressed perturbed
ADJECTIVE
self-assured
Synonyms
STRONGEST
assured confident courageous overconfident
WEAK
believing bold brave cocksure cocky expectant expecting fearless full of oneself positive puffed up secure sure unafraid
Antonyms
STRONGEST
shy timid uncertain unsure
STRONG
fearful
ADJECTIVE
self-confident
Synonyms
STRONGEST
poised self-assured self-reliant
WEAK
assured fearless hotdog hotshot know-it-all sanguine undoubtful
Antonyms
WEAK
humble insecure meek unself-confident unsure

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.

And though I was entering my marriage as she was exiting hers, I felt that our joy came from a similar place: of being in the right place, at the right time, sure of oneself.

From New York Times • Jan. 21, 2022

One is as sure of oneself as a woman of thirty, and with as much and as little reason.

From Those Who Smiled And Eleven Other Stories by Gibbon, Perceval

Now to win an honest fight always makes one feel very strong and very sure of oneself.

From The Adventures of Johnny Chuck by Burgess, Thornton W. (Thornton Waldo)

One has to be very strong and very sure of oneself to go against the ordinary view of things.

From Plays: Lady Frederick, The Explorer, A Man of Honor by Maugham, W. Somerset (William Somerset)

The vertigo of life produces itself like the vertigo of heights, when one is not sure of oneself.

From A Psychiatric Milestone Bloomingdale Hospital Centenary, 1821-1921 by New York Hospital. Society

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.