The term 'is curious' can be represented by two crossword solutions: ASKS (4 letters) and NOSES (5 letters). Asks is an action verb that means to make a request for information or an answer to a question. Noses is a noun that refers to the organ of smell and also to the act of inquiring into something. Both words imply a sense of curiosity, as they both suggest a desire to learn more about something.