Meaning of EFFECTIVE in English

Frequency: The word is one of the 1500 most common words in English.


Something that is ~ works well and produces the results that were intended.

The project looks at how we could be more ~ in encouraging students to enter teacher training...

Simple antibiotics are ~ against this organism...

...an ~ public transport system.

ADJ: oft ADJ in -ing, ADJ against n


...the team roles which you believe to be necessary for the team to function ~ly...

Services need to be more ~ly organised than they are at present.

ADV: usu ADV after v, also ADV -ed


...the ~ness of computers as an educational tool.

N-UNCOUNT: oft N of n


Effective means having a particular role or result in practice, though not officially or in theory.

They have had ~ control of the area since the security forces left.



When something such as a law or an agreement becomes ~, it begins officially to apply or be valid.

The new rules will become ~ in the next few days.

ADJ: v-link ADJ

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .