causing or relating to a physiological need for certain drugsan addictive painkiller
an addictive painkiller
addicting, habit-forming
hardnarcotic
nonaddictive
soft
in 1891
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。