1,400 new words in our dictionary! — Parasocial, glow-up, promposal & more
1,400 new words in our dictionary! — More

unsubstantiality

noun

Definition of unsubstantialitynext
as in unsoundness

Related Words

Relevance

Dissimilar Words

Example Sentences

Recent Examples of Synonyms for unsubstantiality
  1. unsoundness
  2. instability
  3. insecurity
Noun
  • Based on Alaïa Jade’s public reputation and the structural unsoundness of the bell tower, Smullen thinks an accidental death is likely.
    — Sophie Brookover, Vulture, 21 Nov. 2025
  • In looking back at the history of Emtech, the colt who suffered a catastrophic breakdown in Saturday’s eighth race, it was discovered that he was once placed on the Veterinarian’s List because of unsoundness.
    — John Cherwa, Los Angeles Times, 30 Sep. 2019
Definition of unsoundness
Noun
  • His remarks come as the wars in Gaza, regional tensions following the Iran conflict, and instability across the Middle East dominate discussions at this year’s UN gathering in New York.
    — Alejandra Jaramillo, CNN Money, 22 Sep. 2026
  • Some left after the 2010 earthquake, but the vast majority left after the 2021 assassination of President Jovenel Moïse and the deepening violence and instability that followed.
    — Jacqueline Charles, Miami Herald, 22 Sep. 2026
Definition of instability
Noun
  • To take part in the six-month study, participants must have identifiable food or nutrition insecurity and a previous diagnosis of either high blood pressure or diabetes.
    — Robin Roenker, USA Today, 22 Sep. 2026
  • The outbreak is spreading under extremely difficult conditions, fueled by insecurity, displacement, a health workers' strike and intense population movements.
    — Arkansas Online, Arkansas Online, 20 Sep. 2026
Definition of insecurity
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

unsubstantial
unsubstantiality
unsubstantiated
See all Nearby Words

Cite this Entry

“Unsubstantiality.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsubstantiality. Accessed 24 Sep. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of pundit

See Definitions and Examples »

Popular in Grammar & Usage

See More

Do You Need a New Language Peeve?

More Commonly Mispronounced Words

Why do we use apostrophes to show possession?

Merriam-Webster’s Great Big List of Words You Love to Hate

'A' or 'an'? What about before 'h'? An Indefinite Article Guide
See More

Popular in Wordplay

See More

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Sept. 25
See More

Popular

See More

Do You Need a New Language Peeve?

The Longest Long Words List

9 Words That Sound Like Insults But Aren't
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
crayons-in-a-circle
Guess the Color Quiz Questions that use the whole box of crayons.
See All