This is the 3191st most frequent Spanish word.
agradecidos
Grateful.
Here, 'agradecidos' is used as an adjective to express a feeling of gratitude in first person plural form.
Estamos agradecidos por la ayuda que nos brindaste.
We are grateful for the help you provided us.
In this sentence, 'agradecidos' is used to describe the subject's future emotional state, in third person plural.
Ellos estarán agradecidos cuando reciban las buenas noticias.
They will be grateful when they receive the good news.
Here, 'agradecidos' emphasizes a continuous attitude of gratitude, in its first person plural form.