the relation between quantities whose ratio remains constant, when A changes then B changes by the same factor; also called direct ratio
Television screens seem to grow bigger in direct proportion to the declining numbers of books in homes.
PTSD is like radiation, the risk increasing in direct proportion to exposure.
Idiocies multiply in direct proportion to the accumulating legal rigidities.
A great social reformer once said that "he had found a man's sobriety to be in direct proportion to his cleanliness."
The amount of leakage is, therefore, in direct proportion to the number of fixtures.
It is certain that our grasp of life is in direct proportion to the variety and warmth of the ways in which we lay hold of it.
Virtue increases in direct proportion with its ability to distinguish evil.
The commerce of Montreal in the future will always be in direct proportion to the future depth of the channel.
In fact, the wide perusal of any report is in direct proportion to its brevity.
The pandemonium increases in direct proportion as the brew diminishes.