5 letters · 15 points in Scrabble
adjective inclined to shake as from weakness or defect
adjective vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze
adjective not secure; beset with difficulties
originEtymology tree English shake English -y English shaky From shake + -y.
Etymology from Wiktionary, CC BY-SA 3.0