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"Saddened" is a form of "sadden", a transitive verb which is often translated as "entristecer". "Sad" is a form of "sad", an adjective which is often translated as "triste". Learn more about the difference between "saddened" and "sad" below.
sadden(
sah
-
dihn
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
a. entristecer
Nothing saddens me more than those commercials with the homeless dogs.Nadie me entristece más que esos anuncios con los perros callejeros.
sad(
sahd
)An adjective is a word that describes a noun (e.g., the big dog).