high³ n [C] 1 the highest price, temperature etc 〔价格、温度等的〕最高点，最高水平: Temperatures today will reach an all-time high of 48°. 今天气温将达到有史以来最高的 48°。 2 a feeling of pleasure or excitement caused by success, drugs, or good luck 〔成功、吸毒或好运带来的〕快感，愉悦，兴奋: She's been on a real high ever since she met Joe. 她自从认识乔之后真是如痴如醉。