Any intricate and complex problem having a simple solution.
The legendary knot tied to a pole near the temple of Zeus in Gordium.
A dire or unfortunate situation.
Blame; culpability; fault; wrong-doing; sin; crime.
One's office; duty; charge.
Responsibility for ensuing consequences; risk; danger; peril.
An instance of danger or peril; a dangerous moment or situation.
To promise (oneself) to someone, or to do something.
Specifically, to pledge (one's troth etc.) as part of a marriage ceremony.