Intense emotion is a broad term that can encompass a range of feelings, from LOVE and PASSION to HATE and IRE. The crossword solutions for this term are HATE (4 letters), PASSION (7 letters), IRE (3 letters), HEAT (4 letters), and LOVE (4 letters). HATE is an intense feeling of dislike or animosity towards someone or something, while PASSION is a strong and barely controllable emotion. IRE is a feeling of anger or annoyance, HEAT is a strong emotion or excitement, and LOVE is a strong feeling of affection and attachment.