The term 'refusing to change' can be summarized by two crossword solutions: ADAMANT (7 letters) and STANDINGPAT (11 letters). ADAMANT is an adjective meaning 'firmly determined; resolute' and is derived from the Latin word 'adamare', which means 'to love'. STANDINGPAT is a phrase meaning 'to remain in the same position or state; to refuse to change'. Both terms are used to describe someone who is unwilling to compromise or alter their opinion or stance.