Meaning of one-to-one in English:

one-to-one

Pronunciation /ˌwʌntəˈwʌn/

Translate one-to-one into Spanish

adjective

(mainly North American one-on-one)

1Denoting or referring to a situation in which two parties come into direct contact, opposition, or correspondence.
‘you can be treated by a therapist on a one-to-one basis’
- ‘In one-on-one situations, go for the man in black every time.’
- ‘People just don't seem to have the capability of beating their opponents in a one-on-one situation.’
- ‘On three occasions York created one-on-one opportunities but each time the Oxton goalkeeper kept them out.’
- ‘However, he has immense pace, is a cool and clinical finisher in one-on-one situations and has the ability to score sublime goals.’
- ‘He has a cool head and a great finish for the one-on-one situations.’
- ‘Robinson is deadly in a one-on-one situation and it will be a thankless task for anyone having to mark him in midfield.’
- ‘He was not going to be denied as he faced the keeper with a one-on-one opportunity and slid the ball home.’
- ‘The way they contested one-on-one situations in that first half was encouraging.’
- ‘In one-on-one situations, he is hardly dodged, and can win the ball nine times out of ten.’
- ‘He does not play well in one-on-one situations, nor does he help teammates.’
- ‘So, in a one-on-one situation against the local tough guy, can a judo person subdue the bully?’
- ‘If the rest of the linemen play well, Pryce will get more one-on-one situations.’
- ‘That leads to some one-on-one opportunities for Hammer, and that's no good for an offense.’
- ‘If so, he runs the risk of letting Shaq get more one-on-one opportunities close to the basket.’
- ‘That led to big rushing avenues for Barber and one-on-one opportunities for Toomer.’
- ‘When having one-on-one chats with his gaffer they will converse in French.’
- ‘On a one-on-one basis I will be getting little pointers off him regarding the season ahead.’
- ‘Five games will be played on one-on-one basis with entry fee being Rs.10 per person.’
- ‘It would be impossible for the NYC to have an impact on individuals on a one-on-one basis.’
- ‘Abbot requests they get Mary in for a one-on-one chat - he wants a précised focus group.’
1. 1.1Mathematics In which each member of one set is associated with one member of another.
  ‘What makes the system exemplify the natural number structure is that it has a one-to-one successor function with an initial object and the system satisfies the induction principle.’
  ‘And yet, ciphers based on one-to-one substitutions, also known as monoalphabetic ciphers, can be easily broken by frequency analysis.’
  ‘For example; the generally held view that dimension was invariant under one-to-one continuous mappings…’
  ‘On the other hand, although any map between fields is one-to-one, it is fairly difficult to write down all the maps between any given pair of fields.’
  ‘The majority of rotations had a one-to-one ratio of students to preceptors.’
  ‘He proposed that, if elements combine to form compounds with other than a one-to-one ratio of atoms, the multiplicities be denoted by superscripted numbers, later transmuted to subscripts.’
  ‘The simplest way to plot expression data is in a two-dimensional scatter plot and to calculate the correlation coefficients of all one-to-one combinations of experiments.’
  ‘This is similar to the amount of calcium you need - about 1,000 to 1,200 mg., which is a one-to-one ratio.’
  ‘Things may change rapidly in the world of business, but a few things are timeless, such as the famous one-to-one ratio of suckers born per minute.’
  ‘Watch springs would have been one of the very few items that would have produced the necessary one-to-one million ratio between the cost of steel and the value of the output.’
  ‘In most developed nations, the ratio is one-to-one or lower.’
  ‘A one-to-one ratio is ideal, according to the American Cancer Society.’
  ‘The days when book orders had a one-to-one ratio are gone, but the company is still confident it can achieve a reasonable lead time of between six to 12 weeks.’
  ‘An earlier proposal asked for a one-to-one ratio starting in 2010.’
  ‘This only works if there is a one-to-one ratio of viewers to displays.’
  ‘To his amazement, the two kinds of plants occurred in a one-to-one ratio.’
  ‘Ordinary matter and dark matter loosely track each other in space, but not in a one-to-one ratio.’
  ‘We'd need a one-to-one ratio of professional refuters to loonies, just to keep up.’
  ‘The appreciating of the lev against the US dollar pushed prices up in 2003, as dollar-denominated real estate trade switched to euro, at a one-to-one ratio, analysts commented.’
  ‘With a lower than one-to-one ratio of presenters to participants, many potential entrepreneurs had time to seek in-depth assistance from experts in a number of fields.’