a.

1. 客观存在的[Z]
   the objective reality

   客观现实

2. 客观的，如实的，无偏见的
   A judge must give an objective opinion.

   评判员必须发表公正的意见。

3. 目标的[Z]
4. 【语】宾格的[Z]
5. 【医】（症状）客观的，他觉的[Z]
   an objective symptom

   他觉症状

n.[C]

1. 目的，目标
   A college education is my objective.

   我的目标是接受大学教育。

2. （显微镜等的）物镜
3. 【语】宾格

adj.

1. not influenced by personal feelings or opinions in considering and representing facts.
2. not dependent on the mind for existence; actual.
3. Grammar  relating to or denoting a case of nouns and pronouns used for the object of a transitive verb or a preposition.

n.

1. a goal or aim.
2. the lens in a telescope or microscope nearest to the object observed.