What is Intense?

Intense definition and meaning on Dictionary terms:
existing or occurring in a high or extreme degree: intense heat.
acute, strong, or vehement, as sensations, feelings, or emotions: intense anger.
of an extreme kind; very great, as in strength, keenness, severity, or the like: an intense gale.
having a characteristic quality in a high degree: The intense sunlight was blinding.
strenuous or earnest, as activity, exertion, diligence, or thought: an intense life.
exhibiting a high degree of some quality or action.

having or showing great strength, strong feeling, or tension, as a person, the face, or language.
susceptible to strong emotion; emotional: an intense person.
(of color) very deep: intense red.
Photography. dense(def 4).