precariously
adverb
pre·car·i·ous·ly
pri-ˈker-ē-əs-lē
: in a precarious manner
These birds suspend their nests precariously among fine twigs …—Michael Hansell
… the privilege of a tiny, precariously poised minority.—Derek Bickerton
Waiters in white shirts and black vests roamed, trays balanced precariously but with utmost precision.—Noah Charney
… it's now balancing precariously on the brink of extinction and has become the first-ever bumblebee to be declared endangered in the US.—Laura Dennison
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Merriam-Webster unabridged
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