hikikomori /hi-kē-kō-mōˈri or -möˈri/

1. (in Japan) complete withdrawal from society for a prolonged period
2. A person, usu an adolescent male, who does this

• quarter-gallery
• quarter-guard
• quarter-guards
• quarter-gunner
• quarter-gunners
• quarter-horse
• quarter-horses
• quarter hour
• quarter-hourly
• quarter hours
• quarter-ill
• quartering
• quarterings
• quarter-jack
• quarter-jacks
• quarterlies
• quarterlight
• quarterlights
• quarterly
• quartermaster
• quartermaster-general
• quartermaster-generals
• quartermasters
• quartermaster-sergeant
• quartermaster-sergeants