tepid
Word family nountepidariumtepidityadjectivetepidadverbtepidly
tep·id /ˈtepɪd/ adjectiveadj 1 STRONG FEELING OR BELIEFa feeling, reaction etc that is tepid shows a lack of excitement or interest 〔感情、反应等〕缺乏热情的,冷淡的 SYN lukewarm a tepid response from the audience 观众冷淡的反应
Origin tepid (1300-1400) Latin tepidus, from tepere “to be warm”