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effective
mastery UK /ɪˈfɛktɪv/ US /əˈfektɪv/adjnoun
card 1 of 10 · synonym
Which word is closest in meaning to 'effective' in this sentence?
The pill is an effective method of birth control.
card 1 of 10 · synonym
Which word is closest in meaning to 'effective' in this sentence?
The pill is an effective method of birth control.