1. A subject or theme that a person or organization chooses not to discuss, address, or engage with
The CEO made it clear that the declined topic would not be discussed at the meeting.
O CEO deixou claro que o tópico recusado não seria discutido na reunião.
2. In linguistics, a grammatical topic that undergoes case declension
In Latin grammar, a declined topic shows the various cases of a noun phrase.
Na gramática latina, um tópico declinado mostra os vários casos de uma frase nominal.