sickness的形容词形式是什么

　　I was sick three times in the night.

　　夜里我吐了三次。

　　The very thought of drink made him feel sick.

　　他一想到酒就觉得恶心。

　　People think I'm sick for having a rat as a pet.

　　人们认为我养只耗子当宠物是变态。