n.

1. 單一（性）[U]
2. 團結；聯合；統一（性）；一致（性）[U][（+with）]
   There is a need for greater unity in the party.

   黨內有必要加強團結。

3. 統一體；整體；個體[C]
4. 和諧，融洽[U][（+with）]
   Brothers and sisters should live together in unity.

   兄弟姊妹應當在一起和睦相處。

5. 一貫性[U]
   There is little unity of purpose among the members.

   成員間缺乏堅定不移的目標。

6. 【數】（數或數字）一[U]

n.

1. the state of being united.
   ▸a thing forming a complex whole.
2. Mathematics  the number one.
3. a dramatic principle requiring limitation of the supposed time of a drama to that occupied in acting it or to a single day (unity of time), use of one scene throughout (unity of place), or concentration on a single plot (unity of action).