1. A creation, device, or idea that is not applicable, pertinent, or important to a particular situation or discussion
His suggestion about changing the company logo was an irrelevant invention that nobody asked for.
Sua sugestão sobre mudar o logotipo da empresa foi uma invenção irrelevante que ninguém pediu.
2. Something invented or created that has no practical value or connection to the matter at hand
The new feature in the software was considered an irrelevant invention by most users.
O novo recurso no software foi considerado uma invenção irrelevante pela maioria dos usuários.