For the most part, we can keep weigh and weight straight by using weigh as a verb and weight as a noun, with a smattering of exceptions for statistics and grades and blankets. ... The main meanings of weigh and weight did, however, from the early days serve as complementary forms.
Is weight an adjective?
adjective, weight·i·er, weight·i·est. having considerable weight; heavy; ponderous: a weighty bundle. burdensome or troublesome: the weightier cares of sovereignty. important or momentous: weighty negotiations.
What type of adverb is weight?
In a weighty manner; ponderously; forcibly.