undivided

a. 未分開的、專一的、(組織等)未分裂的

不可分割的、完整的、未分割的

學術名詞

無分水嶺的：地質學

英文釋義

not parted by conflict of opinion
not shared by or among others
not divided among or brought to bear on more than one object or objective
not separated into parts or shares; constituting an undivided unit