ˈtärd ə l]ē, ˈtȧd-, -də̇l], ]i\ adverb
1. : in an unhurried manner : at a slack pace : slowly
glaciers move tardily
coming toward us tardily
2. : after the expected, hoped for, or proper time : late
notice of aggression … came so tardily that aid with whatever force was available could not be given — C.L.Jones
to the fireman, all homes are firetraps when an outbreak is tardily discovered — P.W.Kearney