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"
showing the wearing effects of overwork or care or suffering; "looking careworn as she bent over her mending"; "her face was drawn and haggard from sleeplessness"; "that raddled but still noble face"; "shocked to see the worn look of his handsome young face"- Charles Dickens
little evolved from or characteristic of an earlier ancestral type; "archaic forms of life"; "primitive mammals"; "the okapi is a short-necked primitive cousin of the giraffe"