1 ratio, (comparative) relation, relationship, comparison:
The proportion of men to women on the course is three to one. The demand is out of all proportion to the supply
2 balance, agreement, concord, harmony, suitableness, symmetry, congruity, correspondence, correlation, arrangement, distribution:
The beauty of the building is at once apparent in the elegant proportion of its parts
3 portion, division, share, part, percentage, quota, allotment, ration, Colloq cut:
Water covers a large proportion of the surface.
4 proportions. size, magnitude, dimensions, measurements, extent; volume, capacity, mass, bulk, area, expanse, scope, range, degree:
The dragon suddenly assumed gigantic proportions.
5 adjust, modify, change, modulate, poise, balance, shape, fit, match, conform, equate:
The punishment should be proportioned to the crime.