The term "supportings" refers to things that provide assistance or help. The antonyms or opposites of this word would be terms that refer to elements that hinder, obstruct, or oppose something. Some of the antonyms for supportings include hindrance, obstruction, obstacle, impediment, obstructionism, resistance, opposition, and detraction. These words describe things that stand in the way of progress or growth, and are often associated with negative connotations. While supportings are necessary for success, the opposite terms remind us of the challenges and difficulties we face, and the need to remain resilient in the face of adversity.