stage fright noun2 •A state of nervousness about performing some action in front of a group of people, on or off of a stage; nerves; a lack of self-assurance before an audience.I did some guest-speaking at the middle school last year, and I experienced some stage fright before and during my first presentation.I got stage fright while doing a dance show for my school last year. •(euphemistic) Synonym of paruresis.