Heavy responsibility and Millstone

Millstone and heavy responsibility are semantically related. In some cases you can replace term "Millstone" with "Heavy responsibility", this terms are similar.

Millstone noun - One of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain.

Heavy responsibility and millstone are semantically related. Sometimes you can replace phrase "Heavy responsibility" with "Millstone", this terms are similar.