Answer: shakiest

AnswerCrossword Clue
SHAKIESTLeast dependable
SHAKIESTMost precarious
SHAKIESTLeast stable
shakiestSHAKY, shaking
shakiestUnstable because of poor construction or heavy use
shakiestNot safe or reliable; liable to fail or falter
shakiestShaking or trembling