pendulous (adj.)

• dependent
• drooping
• falling
• faltering
• flowing
• fluctuating
• hanging
• harmonic
• hesitating
• hung
• oscillating
• oscillatory
• pendent
• pending
• periodic
• resonant
• sagging
• suspended
• swinging
• tentative
• undulatory
• vacillating
• vibratory
• wavering
• waving
• weeping
• wobbly