#1 precarious s. [unstable] affording no ease or reassurance; "a precarious truce". wn
#2 precarious s. [parlous, perilous, touch-and-go] fraught with danger; "dangerous waters"; "a parlous journey on stormy seas"; "a perilous voyage across the Atlantic in a small boat"; "the precarious life of an undersea diver"; "dangerous surgery followed by a touch-and-go recovery". wn
#3 precarious s. [shaky] not secure; beset with difficulties; "a shaky marriage". wn
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