Definitions

1. adjective

unsteady or unstable, especially because of weakness in the legs or other supports

“The rickety bridge creaked ominously as we crossed it.”

2. adjective

weak, unstable, or fragile, especially in structure or construction

“The old house had a rickety floor that threatened to collapse at any moment.”

3. noun

a weakness or instability in something, especially in structure or construction

“The ricket of the bridge was caused by years of neglect.”