con·ta·giousBrE/kənˈteɪdʒəs/NAmE/kənˈteɪdʒəs/adjectiveacontagiousdiseasespreadsbypeopletouchingeachother(疾病)接触传染的◆Scarletfeverishighlycontagious. 猩红热的接触传染性很强。◆(figurative) Hisenthusiasmwascontagious(= spreadquicklytootherpeople). 他的热情富有感染力。◆acontagiouslaugh有感染力的笑声[not usually before noun]ifapersoniscontagious, theyhaveadiseasethatcanbespreadtootherpeoplebytouch患接触性传染病➡ compareinfectious▸con·ta·gious·lyBrE/kənˈteɪdʒəsli/NAmE/kənˈteɪdʒəsli/adverb