firmementeadverb
Firmemente means firmly in English. It is an adverb.
- firmly
Él la sostuvo firmemente.
He held her tightly.
Cierra la puerta firmemente.
Shut the door tight.
Él se aferró a la rama firmemente.
He held on firmly to the branch.
Creo firmemente que tu turno vendrá.
I firmly believe that your turn will come.