Hi, welcome folks, here you find the answers for the 2668 level of Words of Wonders Guru, Have fun :D
Screw up
Prudent and tactful
Brother or sister
Kitchen cooler
Peak of emotion
System of stars
Holes on a billiard table
Principle
... Jobs, recognized as a pioneer of the personal computer revolution
Become unworkable when a movable part becomes stuck
Intentional