Tra từ confident - Từ điển Oxford Advanced Learner 8th

con·fi·dent BrE [ˈkɒnfɪdənt] NAmE [ˈkɑːnfɪdənt] adjective
1. feeling sure about your own ability to do things and be successful
• She was in a relaxed, confident mood.
• Beneath his confident and charming exterior, lurked a mass of insecurities.
•The teacher wants the children to feel confident about asking questions when they don't understand.
see also ↑self-confident
2. feeling certain that sth will happen in the way that you want or expect
•~ of sth/doing sth The team feels confident of winning.
•~ that… I'm confident that you will get the job.
•She was quietly confident that everything would go as planned.
Derived Word: ↑confidently

Word Origin:
late 16th cent.: from French confident(e), from Italian confidente, from Latin confident- ‘having full trust’, from the verb confidere, from con- (expressing intensive force) + fidere ‘trust’.

Thesaurus:
confident [confident confidently] adj.
1.
•Beneath his confident exterior, he's very insecure.
self-confident • • independent • |disapproving brash •
Opp: insecure
very confident/self-confident/independent
Confident or self-confident? Confident can describe a person or what they do; self-confident only describes a person.
2.
•The team feels confident of winning
sure • • certain • • convinced • • positive •
confident/sure/certain/convinced/positive about sth
confident/sure/certain/convinced of sth
confident/sure/certain/convinced/positive that…

Synonyms:
sure
confident • convinced • certain • positive • clear
These words all describe sb who knows without doubt that sth is true or will happen.
sure • [not before noun] without any doubt that you are right, that sth is true, that you will get sth or that sth will happen: ▪ ‘Is that John over there?’ ‘I'm not sure.’ ◇ ▪ Are you sure about that? ◇ ▪ England must win this game to be sure of qualifying.
Sure is often used in negative statements and questions, because there is some doubt or anxiety over the matter. If there is no doubt, people often say quite sure: ▪ I'm quite sure (that) I left my bag here ▪ (= I have no doubt about it) ▪.
confident • completely sure that sth will happen in the way that you want or expect: ▪ I'm quite confident that you'll get the job. ◇ ▪ The team feels confident of winning.
Confident is a stronger and more definite word than sure and is more often used in positive statements, when you feel no anxiety.
convinced • [not before noun] completely sure that sth is true or right, especially because the evidence seems to prove it or sb else has persuaded you to believe it: ▪ I'm convinced that she's innocent.
certain • [not usually before noun] sure that you are right or that sth is true: ▪ Are you absolutely certain about this?
sure or certain?
Like sure, certain is often used in negative statements and questions. It is slightly more formal than sure; sure is more frequent, especially in spoken English.
positive • [not before noun] (rather informal) completely sure that sth is true: ▪ She was positive that he'd been there. ◇ ▪ ‘Are you sure?’ ‘Positive.’
clear • (often used in negative statements and questions) having no doubt or confusion about sth: ▪ My memory isn't really clear on that point.
sure/confident/convinced/certain/positive/clear about sth
sure/confident/convinced/certain of sth
sure/confident/convinced/certain/positive/clear that…
sure/certain/clear who/what/how, etc.
to feel sure/confident/convinced/certain/positive
quite/absolutely/completely/fairly/pretty sure/confident/convinced/certain/positive/clear
not altogether sure/confident/convinced/certain/clear

Example Bank:
•Going to university has made her more confident.
•He came out of the interview feeling quietly confident.
•He was overly confident, perhaps to the point of arrogance.
•He's becoming more confident as he gets older.
•I'm 95% confident of success.
•I'm fully confident of winning the title.
•I'm very confident in our ability to maintain leadership.
•She gradually grew more confident.
•She sauntered onto the set, looking serenely confident.
•We are confident about the future.
•We feel confident that these results are accurate.
•You get young people who appear to be socially confident, but inside they are a bundle of neuroses.
•young people who appear to be socially confident, but inside are a bundle of neuroses
•I'm quite confident that you'll get the job.
•They gave a confident prediction that things would improve.
•They gave a very confident performance of the piece.