IPA: /ˈsæd.ən/
KK: /ˈsæd.ən/
To cause someone to feel unhappy or sorrowful.
The news of her departure will sadden everyone in the office.
Past: saddened
Past Participle: saddened
Sadden → It is formed from "sad" (from Old English *sæd*, meaning filled or satisfied, but evolved to mean unhappy) and "-en" (a suffix used to form verbs indicating to cause to become). The word "sadden" means to cause someone to become sad or unhappy.
Think of the word 'sad' and remember that 'sadden' means to make someone feel sad.