THICKEN Meaning of THICKEN in English verbThicken is used with these nouns as the subject: ↑ custard , ↑ fog , ↑ light , ↑ traffic , ↑ voiceThicken is used with these nouns as the object: ↑ sauce Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012