colloquial means 'slang' e.g 'watssup'
Intensify is correct.
Intensify is a verb.
The verb form of intensity is intensify. As in "to intensify something".
the sun had to intensify :) The student had to intensify his efforts in the class to raise his F to a passing grade.
The past tense of intensify is intensified.
The verb of intensity is intensify. As in "to intensify something".
Snow can intensify the power of the sun's rays.
The noun forms of the verb to intensify are intensifier, intensification, and the gerund, intensifying.
The word intense is an adjective. It describes something that is strained or strict.
i put more cocoa powder in the hot chocolate to intensify the taste.
intensity
During the rising action you should add elements to intensify the problem.