one
• cardinal number 1 the lowest cardinal number; 1. (Roman numeral: i or I.) 2 single, or a single person or thing. 3 (before a person’s name) a certain. 4 informal, chiefly N. Amer. a noteworthy example of. 5 identical; the same. • pronoun 1 used to refer to a person or thing previously mentioned or easily identified. 2 a person of a specified kind. 3 third person sing. used to refer to the speaker, or any person, as representing people in general. — PHRASES at one in agreement or harmony. one after another (or the other) following one another in quick succession. one and all everyone. one and only unique; single. one another each other. one by one separately and in succession. one day at a particular but unspecified time in the past or future. one or another (or the other) a particular but unspecified one out of a set of items. one or two informal a few. — ORIGIN Old English.
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