tranquillized is tranquillize's Past Participle

tranquillize

US [ˈtræŋkwəˌlaɪz]
UK [ˈtræŋkwɪˌlaɪz]
  • v.(变)镇定
  • Web使安静
Simple Present:tranquillizes  Present Participle:tranquillizing  Past Participle:tranquillized  
v.
1.
(变)镇定,(变)安定
na.
1.
“tranquilize”的变体