unity
1. [ noun ] an unreduced or unbroken completeness or totality
Synonyms: integrity wholeness
Related terms: state separation completeness incompleteness whole broken fractional unbroken
2. [ noun ] (mathematics) the smallest whole number or a numeral representing this number
Synonyms: one 1 ace single I
Examples:

"he has the one but will need a two and three to go with it" "they had lunch at one"

Related terms: digit singleton monad
3. [ noun ] the quality of being united into one
Synonyms: oneness
Related terms: identity
Similar spelling:   unit
  unto
  untie
  unite
  Uniat
  unthaw