effective

adjective

OPAL WOPAL S

/ɪˈfektɪv/

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producing the result that is wanted or intended; producing a successful result
- Aspirin is a simple but highly effective treatment.
- Some people believe that violence is an effective way of protesting.
- an effective means/strategy/tool/method
- I admire the effective use of colour in her paintings.
- The system has proved less effective than hoped.
- effective against something drugs that are effective against cancer
opposite ineffective see also cost-effective
Extra Examples
- Long prison sentences can be a very effective deterrent for offenders.
- This method is effective enough with greenfly.
- We find advertising on the radio very effective.
- What makes a TV programme politically effective?
- a particularly effective technique
- effective at keeping out the wind
- effective in helping people to stop smoking
- The vaccines will be safe and effective if used properly.
Topics Successb1, Change, cause and effectb1
Oxford Collocations Dictionary
verbs
- be
- look
- prove
- …
adverb
- extremely
- fairly
- very
- …
preposition
- at
- in
See full entry
[only before noun] in reality, although not officially intended
- the effective, if not the actual, leader of the party
- In spite of what they are told, parents have no effective choice of schools.
- He has now taken effective control of the country.
(formal) (of laws and rules) coming into use
- The new speed limit on this road becomes effective from 1 June.
Oxford Collocations Dictionary
verbs
- be
- become
- remain
- …
adverb
- fully
- partially
- directly
- …
See full entry

Word Originlate Middle English: from Latin effectivus, from efficere ‘accomplish’, from ex- ‘out, thoroughly’ + facere ‘do, make’.

单词	effective
释义	effective adjective OPAL WOPAL S /ɪˈfektɪv/ /ɪˈfektɪv/ jump to other results producing the result that is wanted or intended; producing a successful result Aspirin is a simple but highly effective treatment. Some people believe that violence is an effective way of protesting. an effective means/strategy/tool/method I admire the effective use of colour in her paintings. The system has proved less effective than hoped. effective against something drugs that are effective against cancer opposite ineffective see also cost-effective Extra Examples Long prison sentences can be a very effective deterrent for offenders. This method is effective enough with greenfly. We find advertising on the radio very effective. What makes a TV programme politically effective? a particularly effective technique effective at keeping out the wind effective in helping people to stop smoking The vaccines will be safe and effective if used properly. Topics Successb1, Change, cause and effectb1 Oxford Collocations Dictionaryverbs be look prove … adverb extremely fairly very … preposition at in See full entry [only before noun] in reality, although not officially intended the effective, if not the actual, leader of the party In spite of what they are told, parents have no effective choice of schools. He has now taken effective control of the country. (formal) (of laws and rules) coming into use The new speed limit on this road becomes effective from 1 June. Oxford Collocations Dictionaryverbs be become remain … adverb fully partially directly … See full entry Word Originlate Middle English: from Latin effectivus, from efficere ‘accomplish’, from ex- ‘out, thoroughly’ + facere ‘do, make’.
随便看	open-carry opencast open day open door open-door_2 open-ended opener open-faced sandwich open-faced-sandwich open-handed open-hearted open-heart surgery open-heart-surgery open house open-house opening opening_1 opening_2 opening hours opening-hours opening night opening-night opening time opening-time opening up