mindmap root((每日)) daily is used with reference to the ordinary concerns of the day or daytime and may refer to weekdays as contrasted with holidays and weekends and may also imply an opposition to nightly: the ~ grind. diurnal is used in contrast to nocturnal and occurs chiefly in poetic or technical contexts: ~ animals that are active by day. quotidian emphasizes the quality of daily recurrence and may imply a commonplace, routine, or everyday quality to what it describes: found solace in ~ concerns. circadian a chiefly technical term, differs from daily or quotidian in implying only approximate equation with the twenty-four hour day: ~ rhythms in insect behavior.