What is Effective?

Effective definition and meaning on Dictionary terms:
adequate to accomplish a purpose; producing the intended or expected result: effective teaching methods; effective steps toward peace.
actually in operation or in force; functioning: The law becomes effective at midnight.
producing a deep or vivid impression; striking: an effective photograph.
prepared and available for service, especially military service.

a member of the armed forces fit for duty or active service.
the effective total of a military force.


reference: www.dictionary.com/browse/effective