lambast lam·bast uncommon uk verb 1. beat with a cane Synonymscanefloglambaste 2. censure severely or angrily “The mother scolded the child for entering a stranger” “;” “;” Synonymscall on the carpetrebukeragtrouncereprooflecturereprimandjawdress downcall downscoldchideberatebawl outremonstratechew outchew uphave wordslambaste Related words Word family chidingscolderscoldingreprimandlecturereproofrebukerrebukefloggingcane Broader terms knockbeat Narrower terms chastisetell off WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.