If you're unsure, you don't feel confident. It's natural to feel unsure of yourself the very first time you read your poems in front of an audience.

When you feel unsure, you find yourself full of doubt. If you remember how unsure you felt on your first day of school, you may want to befriend that new kid who looks unsure about where to sit in class. You can be unsure of yourself, or unsure how to comfort your friend whose cat just died. When this word was originally used in the 15th century, it primarily meant "not safe from attack."

Definitions of unsure

adj lacking self-confidence

“a very unsure young man”
diffident, shy, timid
having or marked by confidence or assurance
marked by assurance; exhibiting confidence
cocksure, overconfident, positive
marked by excessive confidence
having confidence restored; freed from anxiety
self-assured, self-confident
showing poise and confidence in your own worth
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adj lacking or indicating lack of confidence or assurance

unsure of himself and his future”
incertain, uncertain
uncertain or unable to decide about what course to follow
doubtful, dubious
fraught with uncertainty or doubt
acting with uncertainty or hesitance or lack of confidence
certain, sure
having or feeling no doubt or uncertainty; confident and assured
confident, convinced, positive
persuaded of; very sure
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