Definitions
1.noun(grammar) A construction showing a relative quality, in English usually formed by adding more or appending -er. For example, the comparative of green is greener; of evil, more evil.
2.noun(grammar) A word in the comparative form.
3.noun(chiefly in the plural) Data used to make a comparison.
4.nounAn equal; a rival; a compeer.
5.nounOne who makes comparisons; one who affects wit.