1. (informal) very fashionable and popular

Encyclopedia: All the rage

• respiratory center
• respiratory centre
• respiratory disease
• respiratory disorder
• respiratory distress syndrome
• respiratory distress syndrome of the newborn
• respiratory illness
• respiratory infection
• respiratory organ
• respiratory quotient
• respiratory rate
• respiratory syncytial virus
• respiratory system
• respiratory tract
• respiratory tract infection
• respire
• respirometer
• respite
• resplend
• resplendence
• resplendency
• resplendent
• resplendent quetzel
• resplendent trogon
• resplendently