ship and also was inhabited by some 20 junior officers and casuals, sleeping side by side on makeshift cots. Show More Online Etymology Dictionary, 2010 Douglas Harper. 90 of the time, speakers of English use just 7,500 words in speech and writing. Test Your Vocabulary June 2018 Words of the Day Quiz Which of the following is a synonym of meritorious? Many mercenaries slaughtered their way to power, casually betraying even close family to secure their fortunes. Noting or relating to video games that do not require much skill or time commitment, or noting a player of such games: casual mpare hard-core(def 6). Used about jobs that are not regular or permanent Synonyms and related words 5 only before noun doing something sometimes, but not often or regularly casual filmgoers Synonyms and related words 6 only before noun not involving strong feelings or emotions casual sex (sex between. Subscribe to America's largest dictionary and get thousands more definitions and advanced searchad free!