Definitions for "Tenuous"
Keywords:  argument, flimsy, excuse, thin, slender
Thin; slender; small; minute.
Lacking substance, as a tenuous argument.
having little substance or significance; "a flimsy excuse"; "slight evidence"; "a tenuous argument"; "a thin plot"
Keywords:  subtile, dense, rare, fluids
Rare; subtile; not dense; -- said of fluids.