The term 'MORE THAN UNUSUAL' can be broken down into two crossword solutions: EERIE (5 letters) and UNIQUE (6 letters). EERIE is an adjective that describes something strange, mysterious, or frightening. It is often used to describe a feeling or atmosphere. UNIQUE is an adjective that describes something that is unlike anything else and one of a kind. Together, these words suggest something that is more than just unusual; it is something that is particularly strange, mysterious, or one-of-a-kind.