1) N-COUNT A dependency is a country which is controlled by another country.

...the tiny British dependency of Montserrat in the eastern Caribbean.

2) N-UNCOUNT: oft N on n You talk about someone's dependency when they have a deep emotional, physical, or financial need for a particular person or thing, especially one that you consider excessive or undesirable.

We saw his dependency on his mother and worried that he might not survive long if anything happened to her...

Ukraine is handicapped by its near-total dependency on Russian oil.

3) N-VAR: usu n N If you talk about alcohol dependency or chemical dependency, you are referring to a situation where someone is an alcoholic or is addicted to drugs. [mainly AM]

In 1985, he began to show signs of alcohol and drug dependency...

In 1979 she quit her teaching job because her dependency had affected her work.


English dictionary. 2008.