THIN Meaning of THIN in English thin BrE AmE θɪn▷ thinned θɪnd▷ thinner ˈθɪn ə AmE \ - ə r▷ thinnest ˈθɪn ɪst -əst ▷ thinning ˈθɪn ɪŋ▷ thins θɪnz▶ ˌ thin ˈ air BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012