The term MORE FROSTY can be solved by two crossword solutions, HOARIER (7 letters) and ICIER (5 letters). Hoarier is an adjective that means covered with or having the appearance of frost. It is derived from the Middle English word 'HOAR, ' which means gray or white with age. Icier is also an adjective that means extremely cold or frosty. It is derived from the Latin word 'glacies, ' which means ice. Together, these two words describe something that is even more frosty than before.