1. People who are very interested in and eager about something; devoted fans or supporters of a particular activity, hobby, or subject
The group of car enthusiasts spent the weekend working on their vehicles.
O grupo de entusiastas de carros passou o fim de semana trabalhando em seus veículos.
2. People who show keen interest, passion, or zeal for a cause or activity
Jazz enthusiasts gathered for the annual music festival.
Os entusiastas de jazz se reuniram para o festival de música anual.