American English

Definition of unity noun from the Oxford Advanced American Dictionary



    (pl. unities)
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  1. 1[uncountable, singular] the state of being in agreement and working together; the state of being joined together to form one unit European unity a plea for unity within the party unity of purpose opposite disunity
  2. 2[uncountable] (in art, etc.) the state of looking or being complete in a natural and pleasing way The design lacks unity.
  3. 3[countable] (in literature and theater) any of the principles of classical or neoclassical theater that restrict the action of a play to a single story, day, and place the unities of action, time, and place
  4. 4[singular] (formal) a single thing that may consist of a number of different parts If society is to exist as a unity, its members must have shared values.
  5. 5[uncountable] (mathematics) the number one
See the Oxford Advanced Learner's Dictionary entry: unity