What You Can Do in Airplane Mode. Most smartphones still offer a lot of functionality, even while in Airplane Mode. For instance, applications that don't depend on Wi-Fi access will still function, including games and many productivity programs such as word processors and spreadsheets.
Douse definition, to plunge into water or the like; drench: She doused the clothes in soapy water. See more.
Desuetude comes from suescere, a word that means to accustom (it also gave us the word custom). Disuse descends from uti, which means to use (that Latin word also gave us use and utility). Of the two, disuse is now the more common.