1. beliefs or ideas accepted as true without verification, proof, or experimental validation
The project failed because it was built on untested assumptions about market demand.
O projeto fracassou porque foi construído sobre pressupostos não testados sobre a demanda do mercado.
2. hypotheses or premises that have not undergone rigorous examination or empirical testing
We need to challenge the untested assumptions underlying this business strategy.
Precisamos questionar os pressupostos não testados que fundamentam esta estratégia empresarial.