TURBULENT
churning, roiling, roiled, roily, turbulent
(adjective) (of a liquid) agitated vigorously; in a state of turbulence; “the river’s roiling current”; “turbulent rapids”
disruptive, riotous, troubled, tumultuous, turbulent
(adjective) characterized by unrest or disorder or insubordination; “effects of the struggle will be violent and disruptive”; “riotous times”; “these troubled areas”; “the tumultuous years of his administration”; “a turbulent and unruly childhood”
Source: WordNet® 3.1
Etymology
Adjective
turbulent (comparative more turbulent, superlative most turbulent)
violently disturbed or agitated; tempestuous, tumultuous
being in, or causing, disturbance or unrest
Source: Wiktionary
Tur"bu*lent, a. Etym: [L. turbulentus, fr. turba disorder, tumult:
cf. F. turbulent. See Turbid.]
1. Disturbed; agitated; tumultuous; roused to violent commotion; as,
the turbulent ocean.
Calm region once, And full of peace, now tossed and turbulent.
Milton.
2. Disposed to insubordination and disorder; restless; unquiet;
refractory; as, turbulent spirits.
Sagacious, bold, and turbulent of wit. Dryden.
3. Producing commotion; disturbing; exciting.
Whose heads that turbulent liquor fills with fumes. Milton.
Syn.
– Disturbed; agitated; tumultuous; riotous; seditious;
insubordinate; refractory; unquiet.
Source: Webster’s Unabridged Dictionary 1913 Edition