noun

1. (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. (grammar) A word in the comparative form.

3. (chiefly in the plural) Data used to make a comparison.

Synonyms: comparative degree

adjective

1. Of or relating to comparison.

2. Using comparison as a method of study, or founded on something using it.

   “comparative anatomy”

3. Approximated by comparison; relative.