The term 'absolutely positive' can be summarized by two crossword solutions: 'SURE' (4 letters) and 'sureassurecanbe' (15 letters). 'SURE' is an adverb that means 'CERTAINLY' or 'without a doubt'. It is often used to express assurance or agreement. 'Sureassurecanbe' is a combination of two words, 'SURE' and 'ASSURE', which both mean to make certain or confirm. Together, these two words emphasize the idea of being absolutely positive.