SIXTY-FOURTH Meaning of SIXTY-FOURTH in English sixty-fourth BrE AmE ˌsɪkst i ˈfɔːθ ◂ AmE \ -ˈfɔːrθ ◂ -ˈfoʊrθ ▷ sixty-fourth|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012