gente viejos aburridos
aburrido
ancianos
Facebook es aburrido
Los libros son aburridos
Translation: Este cuento es aburrido.
Translation: Es aburrido aquí.
Translation: Estoy aburrido.Note that if you use "ser" and say "soy aburrido" it means "I am a boring person."
The adjective "boring" is ennuyeux. So "you are boring" is Tu est ennuyeux (informal) or vous êtes ennuyeux(formal).Because of the spelling, this would be the same for speaking to a man, woman, or multiple people.
boring = aburrido/a(s) (male/female(plural))
Translation: Hoy fue un día aburrido.
Era aburrido/a (masculine/feminine 'it') Pronounced 'AIRah ahbooRREEthaw/ah' ('th' as in 'the')
Translation: Hoy era aburrido.However, it is much more idiomatic to say, "Hoy me aburró." meaning "Today bored me."