There are several synonyms that can be used for the word "labefaction." This word refers to the act of weakening or shaking something, particularly foundations or structures. Some of the synonyms that can be used for this word include collapse, destruction, ruin, downfall, and disintegration. Each of these words carries a similar connotation to labefaction, expressing the idea of something falling apart or breaking down. Other words that could be used include deterioration, weakening, and destabilization. By using synonyms for labefaction, writers can vary their language and add interest to their writing while still conveying the same meaning.