thin1 Pronunciation: /θɪn/Translate thin | into French | into German | into Italian Spanish translation of thinadj (-nn-) 1 a [layer/slice] delgado, fino b [person] delgado, flaco; [waist] delgado 2 a [soup/sauce] claro, poco espeso b [hair] ralothin in other Oxford dictionaries Definition of thin in the British & World English dictionary Definition of thin in the US English dictionary