Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Thesaurus

soundness

noun

Synonyms and Antonyms of soundness

1 the ability to withstand force or stress without being distorted, dislodged, or damaged

  • the car manufacturer tested the soundness of the new model in various types of collisions
Synonyms of soundness

firmness, stability, strength, sturdiness
Words Related to soundness

dependability, durability, reliability

solidity, solidness

cohesion, toughness
Near Antonyms of soundness

insubstantiality, unsoundness, unsubstantiality

weakness
Antonyms of soundness

insecurity, instability, precariousness, shakiness, unstableness, unsteadiness

2 the condition of being sound in body

  • his athletic soundness is open to question since heʼs been away from the sport for so long
Synonyms of soundness

fitness, health, healthiness, heartiness, robustness, sap, verdure, wellness, wholeness, wholesomeness
Words Related to soundness

fettle, shape

cleanliness, hygiene

hardiness, lustiness, robustiousness, ruggedness, stamina, strength, toughness, vigor, vigorousness, vitality

bloom, flush, flushness

activeness, agility, liveliness, spryness

weal, welfare, well-being
Near Antonyms of soundness

debility, decrepitude, feebleness, frailness, infirmity, lameness, sickliness, weakness

ailment, condition, disease, disorder, malady, trouble
Antonyms of soundness

illness, sickness, unhealthiness, unsoundness

Learn More about soundness

  1. Spanish Central: Translation of soundness Nglish: Translation of soundness for Spanish speakers Britannica English: Translation of soundness for Arabic speakers

Seen and Heard

What made you want to look up soundness? Please tell us where you read or heard it (including the quote, if possible).

show comments hide comments

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

glade

an open space surrounded by woods

Get Word of the Day daily email!

TRENDING NOW

  1. Spartan Red Cross Warns of Shelter Conditions

  2. hirsute RIP Burt Reynolds

  3. op-ed NYT Publishes Anonymous Piece

  4. collegiality Kavanaugh Mentions Word in Hearing

  5. mistrial Manafort Guilty on 8 Counts

SEE ALL

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games