unsteady vs shaky

unsteady and shaky both are adjectives.

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

unsteady (adjective)	shaky (adjective)
subject to change or variation	not secure; beset with difficulties
not firmly or solidly positioned	inclined to shake as from weakness or defect
	vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze