The term 'CAN'T TOLERATE' can be broken down into four crossword solutions: HATE (4 letters), ABHORS (6 letters), DETESTS (7 letters), and HATES (5 letters). All of these words refer to a strong dislike or aversion to something, and are often used interchangeably. However, HATE is the most extreme form of dislike, while ABHORS and DETESTS are slightly less intense. HATES is the least intense of the four words, and implies a strong distaste or aversion. All four words indicate that the person has no tolerance for whatever it is they are referring to.