a millstone around your neck

a millstone around (one's) neck

An extremely difficult or disadvantageous burden or hindrance. I wish I hadn't bought that house—the mortgage is a millstone around my neck. Given the advisor's laundry list of scandals, he's proving to be quite a millstone around the candidate's neck.
See also: around, millstone, neck
Farlex Dictionary of Idioms.

a millstone around your neck

BRITISH, AMERICAN or

a millstone round your neck

BRITISH
COMMON If something is a millstone around your neck or a millstone round your neck, it is a very unpleasant problem or responsibility that you cannot escape from. The country's inefficient telephone company has been a millstone round the government's neck. Long-term illness can make you feel like a millstone around your family's necks. Note: Millstone is often used on its own with this meaning. There is the continuing millstone of the country's enormous foreign debt. Note: A millstone is one of a pair of very heavy round flat stones which are used to grind grain. Jesus referred to children in Matthew 18:5 by saying, `Whoso shall offend one of these little ones which believe in me, it were better for him that a millstone were hanged about his neck and that he were drowned in the depth of the sea.'
See also: around, millstone, neck
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • a millstone around (one's) neck
  • a millstone around/round somebody's neck
  • a millstone round your neck
  • millstone around one's neck
  • a millstone about (one's) neck
  • millstone about neck
  • a millstone round (one's) neck
  • round
  • dig (oneself) in(to) a hole
  • dig yourself into a hole
References in periodicals archive
This man is like a millstone around your neck and he's dragging you down fast.
"McDonagh is the most hated man in Connemara and even being associated with him is like a millstone around your neck."