wan aɪ eɪs ɪnˈtɛɡɹəti wʌn wan wʌn oʊn ˈsɪŋɡəl ˈjuːnɪtɪ ˈjunɪti the quality of being united into one the smallest whole number or a numeral representing this number he has the one but will need a two and three to go with it they had lunch at one an undivided or unbroken completeness or totality with nothing wanting the integrity of the nervous system is required for normal development he took measures to insure the territorial unity of Croatia