LINK / CITE ADD TO WORD LIST. noun. The definition of a subscription is an agreement you make in advance to receive something for a specific period of time. When you make an arrangement to have a magazine delivered every month, this is an example of a subscription.INK / CITE ADD TO WORD LIST. noun. The definition of a subscription is an agreement you make in advance to receive something for a specific period of time. When you make an arrangement to have a magazine delivered every month, this is an example of a subscription.