1. The quality of being intense; extreme degree of strength, force, energy, or feeling
The intensity of the storm caught everyone by surprise.
A intensidade da tempestade surpreendeu a todos.
2. The degree or level of something measurable, such as light, sound, or radiation
The intensity of the light was too bright for my eyes.
A intensidade da luz era muito forte para meus olhos.
3. Emotional strength or passion; depth of feeling
She spoke with great intensity about her passion for environmental conservation.
Ela falou com grande intensidade sobre sua paixão pela conservação ambiental.