tenuous
Americanadjective
-
lacking a sound basis, as reasoning; unsubstantiated; weak.
a tenuous argument.
-
of slight importance or significance.
He holds a rather tenuous position in history.
- Synonyms:
- trifling, trivial, insignificant
- Antonyms:
- substantial, important
-
lacking in clarity; vague.
He gave a rather tenuous account of his past life.
-
thin or slender in form, as a thread.
- Synonyms:
- attenuated
- Antonyms:
- thick
-
thin in consistency; rare or rarefied.
adjective
-
insignificant or flimsy
a tenuous argument
-
slim, fine, or delicate
a tenuous thread
-
diluted or rarefied in consistency or density
a tenuous fluid
Other Word Forms
Etymology
Origin of tenuous
Explanation
If something is tenuous it's thin, either literally or metaphorically. If you try to learn a complicated mathematical concept by cramming for 45 minutes, you will have a tenuous grasp of that concept, at best. Tenuous comes from the Latin word tenuis, for thin, and is related to our word tender. Something can be physically tenuous, like a spiderweb or ice on a pond. We more often use it in a metaphorical sense, to talk about weak ideas. Tenuous arguments won't win any debate tournaments. Synonyms for tenuous, also used physically or metaphorically, are flimsy and shaky.
Vocabulary lists containing tenuous
Essential Academic Vocabulary for High School Students, List 2
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Grade 12, List 1
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100 SAT Words Beginning with "T"
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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.
The moment hits at the tenuous relationship between religion and queerness, one that often goes unexplored in mainstream queer media.
From Salon ● Aug. 28, 2026
He’s not unaware that Meyers’ mostly 20-something male friends have — like many — romanticized the gritty abandon of lower Manhattan’s bygone literary scene and perhaps Ed’s tenuous place in it.
From Los Angeles Times ● Aug. 14, 2026
The decline in June stemmed from falling oil prices after the U.S. and Iran agreed to a tenuous truce to hold peace talks.
From MarketWatch ● Jul. 30, 2026
By the time a tenuous ceasefire took effect on 8 April, US forces had struck over 13,000 targets across Iran, according to the White House.
From BBC ● Jul. 27, 2026
Her last tie, however tenuous, to her mother.
From "In the Time of the Butterflies" by Julia Alvarez
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
