Simple Definition of effective
: producing a result that is wanted : having an intended effect
of a law, rule, etc. : in use
: starting at a particular time
Full Definition of effective
2 : ready for service or action <effective manpower>
3 : actual <the need to increase effective demand for goods>
4 : being in effect : operative <the tax becomes effective next year>
5 of a rate of interest : equal to the rate of simple interest that yields the same amount when the interest is paid once at the end of the interest period as a quoted rate of interest does when calculated at compound interest over the same period — compare nominal 4
effectivityplay \ˌe-ˌfek-ˈti-və-tē, i-, ē-, ə-\ noun
Examples of effective in a sentence
These commercials were extremely effective as marketing tools, but we now know that chocolate swimming pools and candy-coating showers play no part in the manufacture of real M&M's. Instead, the ellipsoid chocolate centers of plain M&M's are formed by machines. —David Owen, Atlantic, October 1988
My feeling is that by waiting for the right moment to let rip, a film is infinitely more effective, especially with characters you have come to like. —Clive Barker, in Cinefantastique, September 1987
But Tammy's most effective remedy for stress, both then and now, was the same as Imelda Marcos's: shopping up a storm. “It's kind of a hobby to help my nerves,” she explained … —Jean Seligman, Newsweek, 8 June 1987
It's a simple but effective technique.
He gave an effective speech.
Origin and Etymology of effective
First Known Use: 14th century
Synonym Discussion of effective
Rhymes with effective
EFFECTIVE Defined for Kids
Word Root of effective
The Latin word facere, meaning “to make” or “to do,” and its form factus give us the roots fic, fact, and fect. Words from the Latin facere have something to do with making or doing something. To manufacture is to make goods. This is often done in a factory. Something difficult is hard to do. Anything effective does what it is meant to do.
Legal Definition of effective
1 : producing a desired effect <an effective revocation of the contract>
2 : capable of bringing about an effect <effective assistance of counsel> — see also ineffective assistance of counsel
3 : being in effect
4 of a rate of interest : equal to the rate of simple interest that yields the same amount when the rate is paid once at the end of the interest period as a quoted rate of interest does when calculated at compound interest over the same period — compare nominal
Seen and Heard
What made you want to look up effective? Please tell us where you read or heard it (including the quote, if possible).