Synonyms of one on one

Adjective

1. one-on-one, private (vs. public)

usage: directly between two individuals; "one-on-one instruction"

2. one-on-one, man-to-man, individual (vs. common), single

usage: being a system of play in which an individual defensive player guards an individual offensive player; "one-on-one defense"

Adverb

1. one-on-one, person-to-person

usage: (of two persons) in direct encounter; "preferred to settle the matter one-on-one"; "interviewed her person-to-person"