precarious vs shaky

precarious and shaky both are adjectives.

Word	Noun	Adjective	Verb	Adverb
precarious	No	Yes	No	No
shaky	No	Yes	No	No

As adjectives, precarious and shaky are synonyms defined as:

precarious (adjective)	shaky (adjective)
fraught with danger	not secure; beset with difficulties
not secure; beset with difficulties	inclined to shake as from weakness or defect
affording no ease or reassurance	vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze