Devotion and gain when linked together will form an unbreakable bond.
The Lhari had an absolute, unbreakable monopoly on star travel.
If this were not an unbreakable rule, no army could endure for a day.
This is an unbreakable circle of false logic that can't be touched.
Between her and the little twice-born son there was an unbreakable tie.
The smooth, unbreakable ...