The antonyms for the term "biologic characteristics" are not straightforward since defining it helps to understand its opposites. Biology itself encompasses a vast variety of living beings, and their Attributes, Dispositions, or Qualities are what define biologic characteristics. Therefore, antonyms could range from adjectives like "artificial," "unnatural," "inanimate," "inactive," and "inert" to nouns such as "non-living," "unanimated," or "non-organic." However, none of these accurately capture the essence of the concept, which mostly refers to physical and biological attributes of living beings. Therefore, one must approach the antonyms of biologic characteristics with a critical eye towards specificity and accuracy.