a.

1. 比较的；用比较方法的
   comparative linguistics

   比较语言学

2. 比较而言的，相对的
   a comparative success

   相对而言的成功

3. 【语】比较级的

n.

1. 【语】比较级（或词）[the S]
   "Worse" is the comparative of "bad".

   “worse”是“bad”的比较级。

adj.

1. measured or judged by comparison; relative.
2. involving comparison between two or more subjects or branches of science:
   comparative religion.
3. Grammar  (of an adjective or adverb) expressing a higher degree of a quality, but not the highest possible (e.g. braver; more fiercely). Contrasted with positive, superlative.