A part, share, or number considered in comparative relation to a whole. The proportion of students who passed the exam was higher this year.
The relationship of one thing to another in terms of quantity, size, or number; ratio. The architect ensured that the proportions of the building were aesthetically pleasing.
The correct, attractive, or ideal relationship between parts of a whole. The artist was praised for the perfect proportion of the figures in the painting.
Dimensions, size, or extent viewed as a whole; magnitude. The problem soon grew to frightening proportions.