This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Long and thin; slender: tenuous strands.

adj. Having a thin consistency; dilute.

adj. Having little substance; flimsy: a tenuous argument.

adj. Thin in substance or consistency.

adj. insubstantial

adj. Thin; slender; small; minute.

adj. Rare; subtile; not dense; -- said of fluids.

Thin; small; minute.

Rare; rarefied; fine; subtile.

adj. very thin in gauge or diameter

adj. having thin consistency

adj. lacking substance or significance

"Only the ceaseless exercise of power, especially by the weighty “great powers,” might hold contentious states in tenuous equilibrium."

thin    unimportant    insignificant   

thin    slender    small    minute    rare    subtile    thing   

precarious    fragile    ephemeral    insubstantial    intangible    tentative    fleeting    ethereal    shaky    unstable