Holding a grudge is an emotional response to a perceived wrong or injustice. It involves harboring negative feelings such as anger, bitterness, and resentment towards someone who has caused harm. The crossword solutions for the term 'hold a grudge' are RESENT (6 letters) and STAYPUTOUT (10 letters). Resentment is an emotion that is closely related to holding a grudge, and it is defined as a feeling of displeasure or indignation at some act, remark, or person. Stayputout is a phrase that implies a refusal to forgive or forget, and it suggests that the person will remain angry and bitter about the situation.