- In an efficient or effective manner; with powerful effect.
2011 December 19, Kerry Brown, “Kim Jong-il obituary”, The Guardian:
- A state ideology, mixing nationalism, and basic Marxist economics, going under the name "Juche", was constructed, and Kim Il-sung effectively silenced, disposed of and cleared away any opposition, isolating the country and exercising an iron grip on the military, the state media and the government and party organs.
- (informal) Essentially; for all practical purposes.
in an efficient or effective manner; with powerful effect