confident
/ˈkɒnfɪdənt/ (bre, ipa) · /ˈkɑːnfɪdənt/ (ame, ipa) · /ˈkän-fə-dənt -ˌdent/ (ame, mw)
confident — adjective
- confidentpositive
- more confidentcomparative
- most confidentsuperlative
1. having a firm belief that you can achieve what you want, or feeling sure that a
having a firm belief that you can achieve what you want, or feeling sure that a situation will produce the result you hope for
Tamar felt confident before her piano exam because she had practised every day.
confident before [event] for time-specific certainty
The marketing team is confident that the new campaign will attract more customers.
confident + that-clause for certainty about outcomes
Rafael gave a confident speech to the board and answered every question calmly.
Anjali felt confident about passing her driving test after weeks of lessons.
Despite the storm, the captain remained confident they would reach port before dark.
- sure
more casual and factual; sure can refer to simple facts ('I'm sure it's Tuesday'), while confident implies inner readiness or positive belief
- certain
stronger and more factual or evidence-based; certain suggests objective grounds, whereas confident involves personal conviction
- assured
more formal; especially in self-assured, which describes calm, poised confidence in social or professional situations
- optimistic
focuses on positive expectations about the future rather than belief in ability; you can be optimistic without being confident
文法句型
confident + that-clause
confident about + noun / -ing form
confident of + noun
confident + noun (attributive: a confident smile)
用法筆記
Commonly followed by about (+ noun or gerund), of (+ noun), or a that-clause (the conjunction that is often dropped in everyday speech). In attributive position — a confident smile, a confident voice — the adjective describes visible behaviour that reveals inner certainty.