The spelling of the word "in closed" might appear unusual, but it follows the typical English pronunciation rules. The "in" sounds like /ɪn/, while the "closed" makes the sounds of /kləʊzd/. The word "closed" indicates that something is shut, sealed, or not open, while "in" refers to being contained or situated within a particular place or thing. Altogether, the word "in closed" suggests something that is both inside and closed off.