Meaning : Get sick.
Example :
She fell sick last Friday, and now she is in the hospital.
Synonyms : come down
Meaning : Upset and make nauseated.
Example :
The smell of the food turned the pregnant woman's stomach.
The mold on the food sickened the diners.
Synonyms : nauseate, turn one's stomach
Meaning : Make sick or ill.
Example :
This kind of food sickens me.
Sicken meaning in Bengali (Bangla).