Highwater mark

Pronunciation of Highwater Mark
/hˈa͡ɪwɔːtə mˈɑːk/, /hˈa‍ɪwɔːtə mˈɑːk/, /h_ˈaɪ_w_ɔː_t_ə m_ˈɑː_k/

Antonyms for highwater mark

base, bottom, nadir.