/ ˈjuːnəti; NAmE / noun ( pl. -ies )
1.
[ U , sing. ] 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
OPP disunity
2.
[ U ] ( in art, etc. ) the state of looking or being complete in a natural and pleasing way :
The design lacks unity.
3.
[ C ] ( in literature and theatre ) any of the principles of classical or neoclassical theatre that restrict the action of a play to a single story, day and place :
the unities of action, time and place
4.
[ sing. ] ( 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.
[ U ] ( mathematics ) the number one
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WORD ORIGIN
Middle English : from Old French unite , from Latin unitas , from unus one.