To practise on the other side, practise the opposite.
ΘΚΠ
the world > action or operation > doing > practice, exercise, or doing > practise or exercise [verb (intransitive)] > practise or exercise the opposite
antipractisea1670
a1670 J. HacketScrinia Reserata (1693) i. 95 Seldom anything but severity will make them Anti-practise.
This entry has not yet been fully updated (first published 1885; most recently modified version published online November 2010).