Sports Playing directly or exclusively against a single opponent. For one definition: You can use for one to emphasize that a particular person is definitely reacting or... | Meaning, pronunciation, translations and examples one-on-one (wŭn′ŏn-wŭn′, -ôn-) adj.

One-one definition: (of two or more things) corresponding exactly | Meaning, pronunciation, translations and examples Learn more. Mathematics Relating to or being a correspondence between two sets that assigns to each member of one set exactly one member of the other set. Consisting of or being direct communication or exchange between two people: one-on-one instruction.
one-on-one definition: 1. one-to-one (wŭn′tə-wŭn′) adj. one-on-one: [adjective or adverb] playing directly against a single opposing player. one-to-one adj 1. 1. Learn more.

Allowing the pairing of each member of a class uniquely with a member of another class. one by one definition: 1. separately, one after the other: 2. separately, one after the other: 3. one person or thing…. See more. A one-on-one activity involves two people talking directly, usually with one teaching or giving…. one′-on-one′ adv. One definition, being or amounting to a single unit or individual or entire thing, item, or object rather than two or more; a single: one woman; one nation; one piece of cake. One by one definition is - separately in a series : one at a time : first one and then another one, etc.. How to use one by one in a sentence. See more. 2. 2. Ones definition, being or amounting to a single unit or individual or entire thing, item, or object rather than two or more; a single: one woman; one nation; one piece of cake. 1.