Are opinions subjective or non-subjective?

A non-subjective issue has generally accepted criteria that can be used to judge it while a subjective issue does not.

Something that is non-subjective is not open to individual interpretation. For example, the weight of a stone can be clearly established and is non-subjective. However a subjective term (heavy,...

Subjective means someone's personal interpretation of something, so non-subjective, or objective, means concrete and based on proven fact. A true and proven claim

subjective (influenced by feelings, experience, etc.)

Subjective opinion is subject to bias, for example: A mother thinks that her daughter is the most beautiful girl in the world. Objective opinion is undistorted by emotions.