最佳答案
creative（创造性的，创意）的反义词为imitative（模仿的，仿制的）。
举例：
Teachers should aim to build a supportive, creative environment for students to do this work.
老师们应该致力于为学生们营造一个支持性的、创造性的学习环境。
His work has been criticized for being imitative and shallow.
他的作品被批评为抄袭而且肤浅。