1. A creative or intellectual work that is produced for the first time and is not copied from or based on another work
The artist's latest painting is a remarkable original work.
A pintura mais recente do artista é um notável trabalho original.
2. In academic or professional contexts, a piece of research, writing, or creation that represents new ideas or findings not previously published
This thesis presents original work in the field of quantum physics.
Esta tese apresenta um trabalho original na área da física quântica.
3. A document, manuscript, or artifact in its initial or first form, before copies are made
The library preserves the original work in a climate-controlled vault.
A biblioteca preserva o trabalho original em um cofre com controle de clima.