energy
/ˈen.ə.dʒi/(noun)
AWL Sublist 5CEFR B2IELTS Band 7.0 - 9.0
Academic Definition
The strength and vitality required for sustained physical or mental activity; power derived from physical or chemical resources.
Key Academic Collocations
Click to copyWord Family & Derivatives
energyenergeticenergeticallyenergize
Lexical Alternatives (Synonyms)
powervitalityvigorforcepotency
Academic Sample Sentences in Context
"The pie chart clearly illustrates that renewable energy sources accounted for 28% of total national electrical generation in 2021."
"Improving household energy efficiency through double-glazing and loft insulation delivers immediate reductions in heating utility bills."
"Transitioning away from carbon-intensive energy sources is paramount for halting catastrophic biosphere temperature escalation."
IELTS Examiner Scoring Strategy (Lexical Resource)
Core IELTS topic vocabulary. Must know collocations: 'clean energy', 'renewable energy', 'energy consumption', 'curb energy usage'.