intensive Synonyms

intense strenuous all-out concentrated intensifier thorough forceful close powerful rigorous energetic exhaustive deep thoroughgoing thoroughpaced systematic strong severe steep slam-bang specialized rigid radical proper tight vigorous high-intensity close-grained time-consuming tensional specialised immersive high-powered high-impact labour-intensive grueling te full-scale all-inclusive all-encompassing all-embracing violent pulling no punches profound meticulous dense demanding dedicated current crash