obesity
B2Medical, Academic, Formal
Definition
Meaning
A chronic medical condition characterized by an excessive accumulation of body fat that presents a risk to health.
A complex disorder influenced by genetic, behavioural, metabolic, and environmental factors, often defined by a Body Mass Index (BMI) of 30 or above. It is a major risk factor for numerous other health conditions.
Linguistics
Semantic Notes
The term is clinical and diagnostic. In sensitive contexts, person-first language (e.g., 'person with obesity') is often preferred over the adjective 'obese' when referring to individuals. It implies a serious health issue, not merely being overweight.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning, spelling, or usage. The term is standard in medical and public health discourse in both varieties.
Connotations
In both varieties, it carries a strong clinical/medical connotation. In everyday, less formal discourse, people might use terms like 'serious weight problems'.
Frequency
Equally common and high-frequency in medical, academic, and public health contexts in both the UK and US.
Vocabulary
Collocations
Grammar
Valency Patterns
obesity in [children/adults/population]obesity among [a demographic group]obesity due to [causal factor]obesity caused by [factor]obesity related to [condition]obesity associated with [risk factor]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Discussed in the context of healthcare costs, workplace wellness programmes, insurance premiums, and the food and beverage industry's responsibilities.
Academic
A central topic in medicine, public health, epidemiology, nutrition science, and sociology, often studied in relation to causality, prevention, and societal impact.
Everyday
Used in discussions about personal health, diet, exercise, and news reports on public health trends. Can be a sensitive topic in personal contexts.
Technical
Precisely defined by BMI thresholds (e.g., Class I, II, III) in medicine. Also assessed via body fat percentage, waist circumference, and comorbid conditions.
Examples
By Part of Speech
adjective
British English
- Obesity-related illnesses are a major concern for the NHS.
- The report highlights obesity prevention strategies.
American English
- Obesity rates have increased significantly in the past decade.
- She specializes in obesity research at the university.
Examples
By CEFR Level
- Too much junk food can lead to obesity.
- Obesity is bad for your health.
- Childhood obesity is a growing problem in many countries.
- Doctors say obesity increases the risk of heart disease.
- Public health campaigns aim to reduce obesity by promoting healthy eating and exercise.
- The study found a strong link between socioeconomic status and obesity.
- Tackling the root causes of the obesity epidemic requires multifaceted interventions, including regulatory measures on food marketing.
- The pathophysiology of obesity involves complex interactions between genetic predisposition, hormonal pathways, and environmental factors.
Learning
Memory Aids
Mnemonic
Think: 'OBESity' sounds like 'Oh, bees!' – imagine bees struggling to fly because they've become too heavy from too much honey (excess calories).
Conceptual Metaphor
OBESITY IS AN EPIDEMIC / A DISEASE / A BURDEN (e.g., 'fighting the obesity epidemic', 'the disease of obesity', 'the economic burden of obesity').
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating 'ожирение' directly as 'fatness' in formal contexts; 'obesity' is the correct clinical term.
- The English term 'obesity' is more strictly medical than the Russian 'ожирение', which can sometimes be used more broadly/colloquially.
- Do not confuse 'obesity' (noun) with 'obese' (adjective). In English, you say 'a person *with* obesity' or 'an *obese* person', not 'an obesity person'.
Common Mistakes
- Incorrect: 'He suffers from an obesity.' (Obesity is generally uncountable; no article.)
- Incorrect: 'She is obesity.' (Confusing noun with adjective; correct: 'She is obese' or 'She has obesity.')
- Spelling error: 'obecity', 'obesety'.
- Using 'obesity' as a countable plural: 'obesities' is very rare and technical.
Practice
Quiz
Which of the following is the most precise clinical definition of obesity?
FAQ
Frequently Asked Questions
Clinically, 'overweight' is typically defined as a Body Mass Index (BMI) between 25 and 29.9, while 'obesity' is a BMI of 30 or higher. Obesity represents a more severe degree of excess body fat with greater health risks.
No. While diet and physical activity are major factors, obesity is a complex condition influenced by genetics, hormones, metabolism, medication, sleep, stress, and environmental factors like access to healthy food.
The term 'obese' is a clinical adjective. In medical contexts, it is standard. In personal or general contexts, it can be perceived as blunt or stigmatizing. More sensitive, person-first language like 'person with obesity' or 'person living with obesity' is often recommended.
The concept of 'metabolically healthy obesity' is debated. Some individuals with obesity may not show immediate metabolic issues (e.g., high blood pressure). However, obesity itself is considered a disease state that significantly increases the long-term risk of numerous other conditions, so overall health is still impacted.
Collections
Part of a collection
Health and Wellness
B1 · 49 words · Physical and mental health vocabulary.