Entry 1 sense Webster, 1913 deconstructionism /(dē̇`kŭn*strŭk"shŭn*ĭz'm)/ · de·con·struc·tion·ism · IPA /diːkənˈstɹʌkʃənɪzəm/ 01 n. Same as decontruction{1}. 1. Same as decontruction{1}. See: decontruction{1} Syn. deconstruction.