The word "un-conducive" is used to describe something that does not promote or facilitate a certain activity or situation. Its antonym is "conducive," which relates to something that supports, encourages, or facilitates a desired outcome. Other antonyms for "un-conducive" include favorable, advantageous, helpful, useful, supportive, or profitable. These terms describe conditions or factors that are conducive to success, growth, progress, or improvement. On the other hand, antonyms for "conducive" include obstructive, unfavorable, counterproductive, unhelpful, harmful, or detrimental. These words represent conditions or factors that impede or discourage a desired outcome. Thus, understanding the antonyms of "un-conducive" can help you convey the desired meaning in your speech or writing.