Thesaurus.com
Dictionary.com
Showing results for kidney.
Definitions

kidney

[kid-nee] / ˈkɪd ni /
NOUN
class
Synonyms
STRONGEST
collection degree department division family grade league rank school style
STRONG
branch brand breed cast caste character classification color denomination description designation distinction domain estate feather frame genre genus grain grouping hierarchy humor ilk make mold name nature order origin property province quality range rate sect section selection set source species sphere standing status stripe suit temperament value variety
Antonyms
STRONG
effect end result whole
NOUN
description
Synonyms
STRONGEST
character nature sort type variety
STRONG
brand breed category classification feather genre genus ilk order species stripe
Antonyms
WEAK
misrepresentation
NOUN
mettle
Synonyms
STRONGEST
bravery caliber courage fortitude grit spunk stamina temperament
STRONG
animation ardor arete backbone daring dauntlessness disposition energy fire force gallantry gameness guts hardihood heart indomitability life makeup moxie nature nerve pluck quality resolution resolve spirit stamp starch temper valor vigor vitality
Antonyms
STRONGEST
cowardice timidity weakness
STRONG
apathy dullness fear idleness inactivity indecision lethargy powerlessness question
NOUN
order
Synonyms
STRONGEST
line place position
STRONG
bracket branch breed cast caste degree description estate family feather genre genus grade hierarchy ilk kind nature pigeonhole rank set slot sort species station stripe subclass type
WEAK
pecking order taxonomic group
NOUN
variety
Synonyms
STRONGEST
assortment brand breed category character description kind nature quality strain
STRONG
class classification division family genus grade ilk make order race rank species stripe tribe
Antonyms
WEAK
uniformity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Consider a 77-year-old man with diabetes, unhealthy lungs, heart disease and kidney problems.

From The Wall Street Journal • Apr. 17, 2026

Patients faced a higher likelihood of treatment-related side effects, including falls, kidney injury, hypotension, and bradycardia.

From Science Daily • Apr. 16, 2026

Initial blood tests showed Roo had an acute kidney injury, and his kidneys were extremely dehydrated so doctors began searching for the cause.

From BBC • Apr. 16, 2026

Oli, 74, was taken to hospital since soon after his arrest for what police described as a procedural check-up, adding that he suffers from heart and kidney problems.

From Barron's • Apr. 9, 2026

In a prison yard selling pastries to help raise money for a little girl who had donated a kidney.

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger

Vocabulary lists containing kidney

Human Anatomy and Physiology - Introductory

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Human Anatomy and Physiology - High School

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Human Anatomy and Physiology - Middle School

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!