Sterile

/ˈstɛraɪl/

adjectiveBeginner📊CommonMedical
3 meanings2 idioms/phrases3 questions

Definitions

3 meanings
1

Free from bacteria or other living microorganisms; not capable of producing offspring.

/ˈstɛraɪl/

adjectiveneutralBeginner
Medical

Free from bacteria or other living microorganisms.

The operating room had to be perfectly sterile.

💡 Simply: Imagine you're cleaning your hands before surgery - that's making them sterile. It means something is super clean and free of germs so that it doesn't cause any problems.

👶 For kids: When something is sterile, it means it's super clean and free of tiny bugs that can make you sick.

More Examples

2

All equipment must be sterilized before use.

3

She carefully sterilized the baby bottles before feeding her child.

4

The scientist worked in a sterile environment to prevent contamination of the experiment.

How It's Used

Medical

"Surgical instruments must be sterile before use."

Science

"The laboratory must be kept in a sterile environment."

2

Unable to produce offspring or to conceive.

/ˈstɛraɪl/

adjectiveneutralmedium
General

Unable to produce offspring.

The couple discovered they were unable to have children because the man was sterile.

💡 Simply: If someone is sterile, it means they can't have babies. Or a plant is sterile, it can't make seeds to grow new plants.

👶 For kids: When someone is sterile, it means they can't have babies.

More Examples

2

The doctor determined that she was sterile due to a medical condition.

3

The hybrid plant was sterile and unable to reproduce.

How It's Used

Medical

"After the operation, the patient became sterile."

Biology

"The mule is a sterile hybrid."

Tip:Think of a person or animal who can't have children or produce seeds.
3

Lacking in imagination, creativity, or vitality; unproductive of results.

/ˈstɛraɪl/

adjectivenegativeAdvanced
General

Lacking in imagination or originality; dull.

The meeting was a sterile discussion of old ideas.

💡 Simply: If you describe something as sterile, you mean that it's boring or doesn't have any new or interesting ideas.

👶 For kids: When something is sterile, it means it's boring and doesn't have any fun ideas.

More Examples

2

The novel's plot felt sterile and uninspired.

3

The environment in the office was sterile and lacked any creativity.

4

The conversation was sterile, with no new ideas presented.

How It's Used

Literary

"The debate was sterile and offered no new ideas."

Art/Design

"The minimalist design was considered sterile by some critics."

Tip:Think of a barren land; nothing grows, nothing happens.

Idioms & expressions

sterile environment

An environment that is completely free from bacteria and other microorganisms.

"The laboratory required a sterile environment to ensure the accuracy of the experiments."

sterile procedure

A medical procedure that is performed under strict conditions to prevent infection.

"The doctor always uses a sterile procedure when he needs to stitch a wound."

From Latin *sterilis* 'barren, unfruitful,' of uncertain origin.

The word 'sterile' has been used in medical and agricultural contexts since the 17th century, initially referring to infertility in animals and plants.

Memory tip

Think of a sterilized surgical tool; it's clean and safe to use.

Word Origin

LanguageLatin
Original meaning

"barren, unfruitful"

sterile environmentsterile equipmentsterile proceduresterile instrumentsbecome sterile

Common misspellings

sterilsteralstearile

Usage

30%Spoken
70%Written