Tenuous Definition

Not substantial; slight; flimsy.
Tenuous evidence.
Webster's New World
Rare, as air at high altitudes; not dense.
Webster's New World
Precarious or insecure.
Tenuous survival.
American Heritage
Slender or fine, as a fiber.
Webster's New World
Having a thin consistency.
Pluto's tenuous envelope of gas.
American Heritage

Origin of Tenuous

  • From Latin tenuis (“thin, slight"), + English suffix -ous.

    From Wiktionary

  • Latin tenuis ten- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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