self-confident

To be self-confident is to be secure in yourself and your abilities. When you are giving a presentation or a speech, it helps to be self-confident –- or at least to pretend that you are.

Confidence is a feeling of trust in someone or something. To be self-confident is to have confidence in yourself. Self-confident people don't doubt themselves. This is usually a positive word: you can be self-confident without being cocky, arrogant, or overconfident. If you know what you’re doing, you have every reason to be self-confident.

Definitions of self-confident
  1. adjective
    showing poise and confidence in your own worth
    “hardly more than a boy but firm-knit and self-confident
    synonyms: self-assured
    confident
    having or marked by confidence or assurance
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