1. Language that is difficult to understand; obscure, complex, or highly technical language that requires specialized knowledge or careful study to comprehend
The professor's abstruse language made the lecture difficult for first-year students to follow.
A linguagem abstrusa do professor tornou a aula difícil de acompanhar para os alunos do primeiro ano.
2. Deliberately complex or obscure writing or speech style that conceals meaning or excludes general audiences
The philosopher's abstruse language alienated many potential readers.
A linguagem abstrusa do filósofo afastou muitos leitores em potencial.