effective
gb/ɪfˈɛktɪv/ us/ɪfˈɛktɪv/
B1
Inggris
~ 1100
Makna
0 makna
adjective
B1
property
1
Producing the desired result
Able to produce the result you want.
Pola penggunaan:
[something] is effective at [doing something]
Kesalahan umum:
Learners sometimes confuse 'effective' with 'efficient'. 'Effective' means it works well, while 'efficient' means it works well with little waste.
Sinonim
successful (Emphasizes achieving a goal, sometimes with broader scope than 'effective'.)
|
efficient (Focuses on achieving results with minimal waste of time or resources.)
Antonim
ineffective (Direct opposite; fails to produce the intended result.)
|
useless (Stronger and more negative; of no practical use.)
Kolokasi
highly effective
|effective method
|effective strategy
|effective communication
|effective treatment
Tema
business
|daily life
|problem solving
|core_vocabulary
|work
Contoh
- This new medicine is highly effective against the virus.
- The training program was effective in improving staff performance.
- Her speech was effective in changing public opinion.
- Regular exercise is effective at reducing stress.
- The new policy proved effective after just a few weeks.
Contoh untuk pembelajar
- The new rules are effective in schools.
- This cream is effective for dry skin.
- Exercise is effective for good health.
- The plan is effective and easy to follow.
adjective
formal
B2
property
2
In operation from a given time
Starting to be used or done from a certain time.
Pola penggunaan:
effective [date/time]
Kesalahan umum:
Learners may confuse this meaning with 'effective' meaning 'good at producing results'; here it refers to the start of official use.
Sinonim
operative (More technical/legal term for being in force.)
Antonim
expired (No longer valid or in effect.)
Kolokasi
effective immediately
|effective date
|effective from
|effective as of
Tema
law
|business
Contoh
- The new law will be effective from January 1st.
- The changes are effective immediately.
- Her promotion is effective as of next Monday.
- The policy becomes effective upon signature.
Contoh untuk pembelajar
- The rule is effective today.
- My new job is effective next week.
- The law is effective from May 1.
adjective
formal
C1
property
3
Existing in fact, not formally recognized
Real or true in fact, even if not official.
Sinonim
actual (Emphasizes real existence regardless of formal status.)
Antonim
nominal (Refers to something existing in name only without real power or effect.)
Kolokasi
effective leader (de facto)
|effective control
|effective power
Tema
law
|politics
|core_vocabulary
Contoh
- He is the country's effective ruler, though not elected.
- They have effective control over the region.
- She became the effective head of the department after her boss resigned.
Contoh untuk pembelajar
- She is the effective boss here.
- He has effective control of the team.
- They are the effective leaders now.
Tata bahasa
Bentuk kamus
effective
IPA
GB/ɪfˈɛktɪv/
US/ɪfˈɛktɪv/
Suku kata & tekanan
ef - fect - ive (3 suku kata)
Stress on 2nd syllable (fect)
Bentuk kata
Adjective
- Base: effective
Kata terkait
Core family
Negative and opposite forms
Ungkapan
effective date
1/ɪfˈɛktɪv dˈeɪt/
fixed phrase
formal
Official start date of something
The day when something starts to be used or done by law or rule.
Contoh
- The contract's effective date is July 1st.
- Check the policy's effective date before signing.
effective immediately
1/ɪfˈɛktɪv ɪmˈidiɪtli/
fixed phrase
formal
Starting now without delay
Starting right now, without waiting.
Contoh
- Your suspension is effective immediately.
- The price increase is effective immediately.