stilted/ˈstɪltɪd; `stɪltɪd/ adj(derog 贬) (of a manner of talking, writing, behaving, etc) stiff and unnatural; artificial （指言谈、 文笔、 举止等）生硬的, 不自然的, 矫揉造作的 a rather stilted conversation 颇为生硬的对话.
牛津英汉双解词典