Claustrophobic is a term used to describe an intense fear of being in enclosed or confined spaces. The crossword solutions for this term are AIRY (4 letters) and CLOSEDIN (8 letters). AIRY refers to something that is open, spacious, and light, while CLOSEDIN describes something that is shut in or confined. Together, these two words provide a contrast to the feeling of claustrophobia, which is the fear of being in a closed-in space.