1. A carefully planned and intricately designed business venture, project, or initiative that involves detailed preparation and sophisticated execution
The construction of the new shopping mall was an elaborate undertaking that took three years to complete.
A construção do novo shopping foi um empreendimento elaborado que levou três anos para ser concluído.
2. An extensive and methodically organized scheme or plan requiring substantial resources and expertise
Launching the startup was an elaborate undertaking with multiple phases and stakeholders involved.
Lançar a startup foi um empreendimento elaborado com múltiplas fases e partes interessadas envolvidas.