Meaning of “effectively” in the English Dictionary

"effectively" in British English

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effectivelyadverb

uk /ɪˈfek.tɪv.li/ us /əˈfek.tɪv.li/

B2 in a way that is successful and achieves what you want:

The tablets work more effectively if you take a hot drink after them.

C2 used when you describe what the real result of a situation is:

His wife left him when the children were small, so he effectively brought up the family himself.
Effectively, we have to start again from scratch.

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(Definition of “effectively” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"effectively" in American English

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effectivelyadverb

us /ɪˈfek·tɪv·li/

in a way that is successful and produces the intended results:

Though barely winning election, he governed effectively and was reelected.

Effectively also means having as a certain result in reality, though not in theory:

If she loses this match, she’s effectively eliminated from the tournament.

(Definition of “effectively” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"effectively" in Business English

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effectivelyadverb

uk /ɪˈfektɪvli/ us

in a way that successfully achieves the result that you want:

Staff must be given enough training and development to be able to do their jobs effectively.

used when you are describing what is actually true, although it may not be intended or stated:

Whoever owns those shares, effectively controls the company.

(Definition of “effectively” from the Cambridge Business English Dictionary © Cambridge University Press)