fixedly Synonyms

beyond shadow of doubt obdurately motionlessly unchangeably attentively tranquilly tightly tight sturdily studiedly strongly stiffly steadily steadfastly staunchly statically stagnantly obstinately stubbornly undoubtedly with certainty unwaveringly unshakably unfailingly uncompromisingly unassailably tenaciously stationarily searchingly raptly irrefutably decisively rain or shine bullheadedly absobloodylutely enduringly stably soundly healingly hard glassily fixed firmly FAST durably determinedly decumbently decidedly cubically continuously