(mathematics) The property of being inversely proportional.

(transitive, idiomatic) To overreact to or overstate; to treat too seriously or be overly concerned with.

Alternative form of out of proportion

A voting system used in Germany and New Zealand in which voters get two votes, one for a local representative MP and one for a political party, and in which the number of seats that a party gets in parliament is based on the percentage of votes that the party receives.