Anything that restricts one's freedom or opportunities.
One's wife, as a symbol of restraint.
A heavy iron ball attached to a prisoner's leg by a chain as a means of restraint.
Something or someone not needed or not wanted; something or someone of little use or importance; something or someone considered burdensome.
Luggage which exceeds the allowable size or weight (as for an airline flight or train trip), and for which an extra fee must therefore be paid.
A dubious or unhelpful mental outlook, emotional disposition, or personal history.