Main Entry: forbidding

Function: adjective

Date: 1599

1 : such as to make approach or passage difficult or impossible <forbidding walls>
2 : disagreeable, repellent <a forbidding task>
3 : grim, menacing <a dark forbidding sky>

— for·bid·ding·ly \-ˈbi-diŋ-lē\ adverb