one-on-one
1. [ adjective ] directly between two individuals
Examples:

"one-on-one instruction"

Related terms: private
2. [ adverb ] (of two persons) in direct encounter
Synonyms: person-to-person
Examples:

"preferred to settle the matter one-on-one" "interviewed her person-to-person"

3. [ adjective ] being a system of play in which an individual defensive player guards an individual offensive player
Synonyms: man-to-man
Examples:

"one-on-one defense"

Related terms: sport individual
4. [ adjective ] directly between two individuals
Examples:

"one-on-one instruction"

Related terms: private
5. [ adjective ] (sports) being a system of play in which an individual defensive player guards an individual offensive player
Synonyms: man-to-man
Examples:

"one-on-one defense"

Related terms: individual
Similar spelling:   one-woman