Of or having to do with a material object. Having actual existence or reality. Uninfluenced by emotions or personal prejudices: an objective critic. See Synonyms at fair1. Based on observable phenomena; presented factually: an objective appraisal. Medicine Indicating a symptom or condition perceived as a sign of disease by someone other than the person affected. Grammar Of, relating to, or being the case of a noun or pronoun that serves as the object of a verb. Grammar Of or relating to a noun or pronoun used in this case. Something that actually exists. Something worked toward or striven for; a goal. See Synonyms at intention. Grammar The objective case. Grammar A noun or pronoun in the objective case. The lens or lens system in a microscope or other optical instrument that first receives light rays from the object and forms the image. Also called object glass, objective lens, object lens.