unpredictably difficult in operation; likely to be troublesome; "rockets were much too fractious to be tested near thickly populated areas"; "fractious components of a communication system"
stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child"
of great significance or value; "important people"; "the important questions of the day"
having or suggesting a consciousness of high position; "recited the decree with an important air"; "took long important strides in the direction of his office"
gathered together or made less diffuse; "their concentrated efforts"; "his concentrated attention"; "concentrated study"; "a narrow thread of concentrated ore"
of or relating to a solution whose dilution has been reduced
intensely focused; "her concentrated passion held them at bay"
(usually followed by `to') strongly opposed; "antipathetic to new ideas"; "averse to taking risks"; "loath to go on such short notice"; "clearly indisposed to grant their request"