1) {adv. phr.} In actual doing. * /The idea sounds good but will it work in practice?/ * /It is easy to say that we will he good. It is harder to put the saying into practice./ 2) {adj. phr.} In proper condition to do something well through practice. * /A pianist gets his fingers in practice by playing scales./ * /An ice-skater keeps in practice by skating every day./ Compare: IN SHAPE. Contrast: OUT OF PRACTICE.
IN PRACTICE
Meaning of IN PRACTICE in English
Slang English vocab. Английский сленговый словарь. 2012