insecure vs shaky

insecure and shaky both are adjectives.

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

insecure (adjective)	shaky (adjective)
lacking self-confidence or assurance	not secure; beset with difficulties
lacking in security or safety	inclined to shake as from weakness or defect
not firm or firmly fixed; likely to fail or give way	vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze
not safe from attack