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Effectively vs Effectiveness - What's the difference?

effectively | effectiveness |

As an adverb effectively

is in an efficient or effective manner; with powerful effect.

As a noun effectiveness is

the property of being effective, of achieving results.

effectively

English

Adverb

(en adverb)
  • In an efficient or effective manner; with powerful effect.
  • * {{quote-news
  • , year=2011 , date=December 19 , author=Kerry Brown , title=Kim Jong-il obituary , work=The Guardian citation , page= , passage=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.}}
  • Essentially, in effect, for all practical purposes.
  • *{{quote-magazine, date=2012-03
  • , author=(Henry Petroski) , title=Opening Doors , volume=100, issue=2, page=112-3 , magazine= citation , passage=A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle—being the fulcrum about which the turning takes place.}}

    effectiveness

    Noun

    (-)
  • The property of being effective, of achieving results.
  • The effectiveness of the drug was well established.
  • The capacity or potential for achieving results.
  • *
  • The degree to which something achieves results.
  • He questioned the effectiveness of the treatment.
  • * 2013 , Phil McNulty, "[http://www.bbc.co.uk/sport/0/football/23830980]", BBC Sport , 1 September 2013:
  • United were having more possession but a sign of the effectiveness of Liverpool's defence was that it took the visitors 76 minutes to force Mignolet into serious action, when he dived to punch away a shot from substitute Nani.