/ ˈsɪkən; NAmE / verb ( BrE )
1.
[ vn ] to make sb feel very shocked and angry
SYN disgust
2.
[ v ] to become ill / sick :
( old-fashioned )
The baby sickened and died before his first birthday.
( BrE )
Faye hasn't eaten all day—she must be sickening for something .