one-on-one

Adjective one-on-one has 2 senses

• one-on-one(s = adj.all) - directly between two individuals; "one-on-one instruction"
• one-on-one(s = adj.all) man-to-man - being a system of play in which an individual defensive player guards an individual offensive player; "one-on-one defense"

Adverbial one-on-one has 1 sense

• one-on-one(r = adv.all) person-to-person - (of two persons) in direct encounter; "preferred to settle the matter one-on-one"; "interviewed her person-to-person"