Synonyms and related words :
cascading, dangling, dependent, depending, drooping, falling, falling loosely, faltering, flowing, fluctuant, fluctuating, fluctuational, hanging, harmonic, hesitating, hung, libratory, nutational, oscillating, oscillatory, pendent, pending, pendulant, pendular, penduline, pensile, periodic, resonant, sagging, shilly-shally, shilly-shallying, suspended, swaying, swinging, tentative, undulating, undulatory, vacillating, vacillatory, vibratile, vibrating, vibratory, wavering, waving, weeping, wobbly