If a police officer falls in love with a witness in a case, it might be hard for him to stay objective — that is, looking at things in a detached, impartial, fact-based way.
The opposite of objective is subjective, "influenced by personal feelings or opinions." Of course, an objective view isn't always preferable to a subjective one; it would be hard to imagine an art critic who stayed objective. The word comes from the Latin ob "against" + jacere "to throw"; an objective view is one that considers only things that have been "thrown against" your eyes, so to speak. Objective has also been used as a noun meaning "a goal," as in "military objectives."
1 |
n |
the goal intended to be attained (and which is believed to be attainable)
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2 |
adj |
belonging to immediate experience of actual things or events
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3 |
adj |
serving as or indicating the object of a verb or of certain prepositions and used for certain other purposes
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4 |
n |
the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
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