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kidney

noun

Simple meaning

An organ in the body that filters the blood, producing urine.

Pronunciation

Say it like this:

kidnee

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US device voice
IPA pronunciation (US)

ˈkɪdni

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 organ in the body that filters the blood, producing urine.

  2. This organ (of an animal) cooked as food.

Word at a Glance

Difficulty
B2 · Upper Intermediate
Frequency
Common
Typical Use
Everyday English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: An organ in the body that filters the blood, producing urine.

Used this way, kidney is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
Matter-of-fact
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 kidney

  • “Urine passes out of the kidney through ureters to the bladder.”noun

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Common Patterns and Combinations

How this word naturally appears with others.

Organ / either

kidney transplantationleft kidney

Other combinations

kidney diseasekidney failurekidney functionright kidneykidney damagerat kidney

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Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • kidney beannounCompound term

    The common bean plant grown for the beans rather than the pods (especially a variety with large red kidney-shaped beans).

  • kidney begonianounCompound term

    Rhizomatous begonia with roundish fleshy leaves reddish colored beneath.

  • kidney diseasenounCompound term

    A disease affecting the kidneys.

  • kidney failurenounCompound term

    Inability of the kidneys to excrete wastes and to help maintain the electrolyte balance.

  • kidney fernnounCompound term

    Large fern of New Zealand having kidney-shaped fronds.

  • kidney pienounCompound term

    Like steak and kidney pie but without steak.

Related Words

Connected to the same idea, not synonyms.

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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.