1. Within a building
   - inside

Antonym: outdoors

Encyclopedia: Indoors

• Yerevan
• Yerkes
• Yersin
• Yersinia pestis
• Yerupaja
• Yerwa-Maiduguri
• yes
• yes-man
• yes-no question
• yeshiva
• yeshivah
• yester
• yesterday
• yesternight
• yesteryear
• yet
• yeti
• Yevgeni Aleksandrovich Yevtushenko
• Yevgeni Yevtushenko
• primitive
• primitive art
• primitive person
• primitively
• primitiveness
• primitivism