(mathematics) At a constant ratio (to). Two magnitudes (numbers) are said to be proportional if the second varies in a direct relation arithmetically to the first. Symbol: ∝.

(mathematics, geometry, archaic) A proportion.

(uncountable) The act of offering (an idea) for consideration. / (countable) An idea or a plan offered. / (countable, business settings) The terms of a transaction offered.

(transitive, informal) To make a suggestion of sexual intercourse to (someone with whom one is not sexually involved). / (transitive, informal) To make an offer or suggestion to (someone).

A prediction, especially one made by a prophet or under divine inspiration. / The public interpretation of Scripture.

(chiefly dated) Alternative form of prophesy

(medicine) Prevention of, or protective treatment for, disease. / (chess) A move or strategy that frustrates an opponent's plan or tactic.

A person who disseminates propaganda.

Consisting of or spreading propaganda.

(finance) Trading activity conducted by a securities firm for its own profit rather than for its clients.