confident _adjective

1-) sure to succeed

ADVERBS

extremely, supremely 
・When she climbed up on to the stage, she looked supremely confident.

VERBS

look
・It is important to try to look confident at a job interview.

feel
・I’ve always been shy, and I wish I felt more confident.

NOUNS 

smile
・She gave Jack a confident smile.

voice
・He read his speech in a strong confident voice.

PHRASES

confident in your ability
・He was very confident in his own abilities.

confident in yourself
・They try to make young people feel more confident in themselves.

2-) certain that something will happen

VERBS

feel
・We feel confident that the project will be a success.

remain
・He remains confident about the company’s long-term future.

sound, seem
・His agent sounded confident that a deal would be worked out.

NOUNS

mood
・The team are in a very confident mood after their win last night.

prediction
・It is hard to make a confident prediction about the economy.

ADVERBS

reasonably, fairly, pretty 
・I’m fairly confident that they’ll get married eventually.

completely
・Police were completely confident that they had found the right man.

quietly 
・They were quietly confident of winning the game.

PREPOSITIONS

of 
The president was confident of winning the election.

about
・I feel quite confident about the future.

PHRASES

confident in the knowledge that
・You can buy this car, confident in the knowledge that it has everything you will need.