The crossword solutions for the term INTENSIFIED, WITH 'UP' are AMPED (5 letters) and FLARED (6 letters). The term 'intensified' means to make something stronger or more extreme. Adding the word 'UP' implies that the intensification is increasing in strength or magnitude. Therefore, the solutions AMPED and FLARED can be interpreted as meaning to increase in intensity or power. AMPED is a slang term derived from the word 'AMPLIFY, ' which means to make something louder or stronger. FLARED is a verb meaning to expand or spread outwards, often used to describe a fire or flame.