- slateslate1 [slāt]n.[ME sclate < OFr esclate, fem. of esclat: see SLAT1]1. a hard, fine-grained, metamorphic rock, typically formed from shale, that cleaves naturally into thin, smooth-surfaced layers2. a thin piece of slate or slatelike material, esp. one used as a roofing tile or as a tablet for writing on with chalk3. the bluish-gray color of most slate: also slate blue☆ 4. a list of candidates proposed for nomination or electionvt.slated, slating1. to cover with slate☆ 2. to put on a list or designate, as for candidacy, appointment, engagement, etc.; choose or schedule——————a clean slatea record showing no marks of discredit, dishonor, etc.slate2 [slāt]vt.slated, slating [prob. < ON sleita, strife (akin to OE slætan, to bait, torment)] [Informal, Chiefly Brit.] Chiefly Brit. Informal1. to punish severely, as by thrashing2. to scold or criticize harshly
English World dictionary. V. Neufeldt. 2014.