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infection

noun

Simple meaning

An uncontrolled growth of harmful microorganisms in a host.

Pronunciation

Say it like this:

ihnfehkshuhn

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US device voice
IPA pronunciation (US)

ɪnˈfɛkʃən

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. An uncontrolled growth of harmful microorganisms in a host.

  2. A disease caused by such presence of a pathogen.

  3. pathology

    The act or process of infecting.

  4. A visible sign of such a disease, such as the suppuration of a wound.

Word at a Glance

Difficulty
A2 · Elementary (estimated)
Frequency
Common
Typical Use
Varies by meaning

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: An uncontrolled growth of harmful microorganisms in a host.

Used this way, infection is a reasonably familiar word with a faintly unfavourable edge. It usually sounds natural in a wide range of settings.

Emotional tone
Slightly negative
Formality
Neutral
Intensity
Moderate
How common
Moderately common
Connotation
Critical or judgemental
Usage feel
Neutral and straightforward

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use infection

  • “Ambitious men are led astray by an infection that is almost unavoidable.”noun

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Common Patterns and Combinations

How this word naturally appears with others.

Disease

viral infectionbacterial infection

Other combinations

virus infectionsecondary infectionrespiratory infectioninfection ratetract infectioninfection control

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Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • eye infectionnounCompound term

    An infection of the sebaceous gland of the eyelid.

  • focal infectionnounCompound term

    Bacterial infection limited to a specific organ or region especially one causing symptoms elsewhere.

  • fungal infectionnounCompound term

    An inflammatory condition caused by a fungus.

  • locus of infectionnounCompound term

    The specific site in the body where an infection originates.

  • Infection of the lower respiratory tract.

  • nonsocial infectionnounCompound term

    An infection that is acquired at a hospital or other healthcare facility.

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.