This is the 10765th most frequent French word.
nervosité
Nervousness or agitation.
In this sentence, 'nervosité' refers to the state of being nervous or anxious, particularly visible in one's demeanor during an event like a public speech.
Sa nervosité était évidente lors de son discours.
His nervousness was evident during his speech.
Here, 'nervosité' is used to denote the internal feeling of anxiety, which the subject attempted to mask through a positive facial expression.
Il a essayé de cacher sa nervosité en souriant.
He tried to hide his nervousness by smiling.
This usage describes a collective feeling of anxiety or tension that is perceptible within a group or environment.