hygiene

hygiene — noun

1. The actions and habits that people follow to keep themselves and the areas aroun

1.nounB1
Definition

The actions and habits that people follow to keep themselves and the areas around them clean, mainly so that illness and disease do not spread.

Example

Ayesha washes her hands regularly to maintain good hygiene.

collocation: good hygiene

The restaurant failed its hygiene inspection because the kitchen was dirty.

compound noun: hygiene inspection

Common collocations
  • good hygiene
  • poor hygiene
  • personal hygiene
  • oral hygiene
  • basic hygiene
  • hygiene habits
  • hygiene practices
Synonyms
  • cleanliness

    broader term referring to the state of being clean, without the specific focus on disease prevention

  • sanitation

    more formal and usually refers to public or environmental systems (sewage, waste) rather than personal habits

Antonyms

Grammar Patterns

adjective + hygiene

hygiene + noun

Common Mistakes

I bought some hygiene for the bathroom.
I bought some cleaning products for the bathroom.
hygiene is a general concept or set of practices, not a countable product.
She has a good hygiene.
She has good hygiene.
hygiene is uncountable and does not take an article.

2. The branch of science that studies how to keep people healthy and prevent diseas

2.nounB2
Definition

The branch of science that studies how to keep people healthy and prevent disease, including proper food handling, clean water supplies, and waste management.

Example

Lakan studied hygiene at university and now works for the health department.

hygiene as an academic subject

The conference focused on hygiene in developing countries where clean water is limited.

Common collocations
  • food hygiene
  • public hygiene
  • industrial hygiene
  • mental hygiene
  • hygiene standards
  • hygiene regulations
  • hygiene science
Synonyms
  • public health

    broader field that includes hygiene as one aspect, plus epidemiology, health policy, and education

  • sanitation science

    more focused on environmental systems like waste treatment and clean water

Grammar Patterns

hygiene + noun (field/standards)

food / dental / public / mental + hygiene

Usage Note

Frequently appears in compound nouns that name sub-fields: food hygiene, dental hygiene, public hygiene, industrial hygiene, mental hygiene.

Common Mistakes

She studied hygiene in medical school to become a surgeon.
She studied public health hygiene to work in disease prevention.
hygiene as a science is about population-level health, not individual patient treatment.

Word family

  • hygienic
    adjectiveB1
  • hygienically
    adverbB2
  • unhygienic
    adjectiveB2
  • unhygienically
    adverbC1

Synonym discussion

Sense: noun/1

Cleanliness, sanitation, and sterility all relate to being clean but differ in scope and purpose. Cleanliness is the broadest term — it refers simply to the state of being free from dirt, with no special focus on health. Sanitation is more formal and typically describes public or environmental systems such as sewage treatment, garbage disposal, and clean water supply. Sterility is the most extreme: it means the complete absence of living microorganisms, a standard required in operating rooms and laboratories. Hygiene sits between cleanliness and sanitation — it includes personal habits (washing hands, brushing teeth) as well as community-level practices, all aimed specifically at preventing disease. For everyday situations, use hygiene when health is the reason for being clean. For example: 'The kitchen looked clean, but the hygiene was poor because raw meat was stored next to vegetables.'

cleanliness ↗sanitation ↗sterility ↗

Common collocations

Nouns

  • hygiene standards
  • hygiene practices
  • hygiene education
  • hygiene regulations
  • hygiene conditions
  • hygiene training

Phrases

  • standards of hygiene
  • level of hygiene
  • lack of hygiene

Prepositions

  • hygiene in a place/context
  • hygiene among a group

Etymology

GreekLatinFrenchEnglish

The word hygiene comes from the French hygiène, which was borrowed from the Latin hygieina, and ultimately from the Greek hygieinē (health). The Greek root hygies means healthy or sound. In ancient Greek mythology, Hygieia was the goddess of health and cleanliness, which is why the modern word carries a strong link to disease prevention.