Dictionary

effectiveness en · NOUN

Pronunciation

• /ɪˈfɛk.tɪv.nɪs/ weak vowel distinction
• (US) audio
• /əˈfɛk.tɪv.nəs/ weak vowel merger

Etymology

Etymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Italic *eks Latin ex Latin ex- Proto-Indo-European *dʰeh₁- Proto-Indo-European *dʰeh₁k- Proto-Indo-European *-yéti Proto-Indo-European *dʰh₁kyéti Proto-Italic *θakjō Proto-Italic *fakjō Latin faciō Latin efficiō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus Latin effectīvusbor. French effectifder. English effective Proto-Germanic *-in- Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂ti Proto-Germanic *-ōną Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English effectiveness From effective + -ness.

Meanings

1. (countable, uncountable) The property of being effective, of achieving results.
   • The effectiveness of the drug was well established.
2. (countable, uncountable) The capacity or potential for achieving results.
   • The problem with these precedents is that the Security Council did not authorize intervention in Syria, and an intervention there will thus harm, not help, the Council’s credibility and effectiveness. 2013 August 31, Jack L. Goldsmith, “What Happened to the Rule of Law?”, in The New York Times:
3. (countable, uncountable) The degree to which something achieves results.
   • 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. 2013 September 1, Phil McNulty, “Liverpool 1-0 Man Utd”, in BBC Sport, archived from the original on 16 Jul 2018:
   • He questioned the effectiveness of the treatment.

Forms

Deriveds

cost-effectiveness · bioeffectiveness

Relateds

effector · effective · efficacy · efficacious · effectuate · effectual · effect · effectivity · efficient · efficacity · efficiency

Translations (57)

lv efektivitāte (property) · fi vaikuttavuus (capacity or potential) · de Wirksamkeit (degree) · gv breeoilid (property) · hu eredményesség (property) · uk ефекти́вність (property) · pl skuteczność (property) · ml ഫലപ്രാപ്തി (property) · nl effectiviteit (degree) · id keefektifan (property) · cmn 成效 (degree) · sh djelotvórnōst (property) · ru результати́вность (degree) · es eficacia (capacity or potential) · egy Ax-x:W-Y1:Z2 (property) · de Durchsetzungsfähigkeit (capacity or potential) · ro eficacitate (property) · fi teho (degree) · hu hatásosság (degree) · cmn 有效性 (property) · kk тиімділік (property) · pdt Wirkjunk (property) · ca efectivitat (property) · ckb بەسوودی (property) · az səmərə (degree) · de Wirksamkeit (property) · az səmərə (property) · fi vaikuttavuus (degree) · de Durchsetzungsvermögen (capacity or potential) · sh ȅfikasnōst (property) · lv lietderīgums (property) · grc δρᾶσις (property) · fi vaikuttavuus (property) · ru эффекти́вность (degree) · ab аеффектра (property) · de Effektivität (property) · ka ეფექტიანობა (property) · de Wirkungsgrad (degree) · ro eficiență (property) · ru эффекти́вность (property) · el αποτελεσματικότητα (property) · kk нәтижелілік (property) · fr efficacité (property) · pt eficiência (property) · hu hatásosság (property) · ru результати́вность (property) · it efficacia (degree) · es efectividad (property) · it efficacia (property) · uk результати́вність (property) · id efektivitas (property) · ms keberkesanan (property) · sh učinkòvitōst (property) · cmn 效力 (degree) · de Wirkungsfähigkeit (property) · kk нәтижелілік (degree) · lv iedarbīgums (property)