1. A reference or allusion to something that is unclear, vague, or can be interpreted in multiple ways, leaving the reader or listener uncertain about what is being referred to
The pronoun 'it' in the sentence is an ambiguous reference because the reader cannot determine which noun it refers to.
O pronome 'ela' na frase é uma referência ambígua porque o leitor não consegue determinar a qual substantivo se refere.
2. In linguistics and writing, a situation where a word or phrase could logically refer to more than one antecedent or concept
The ambiguous reference made the instructions difficult to follow.
A referência ambígua tornou as instruções difíceis de seguir.