Appearing to be threatening, unfriendly or potentially unpleasant.
verb
present participle and gerund of forbid
noun
The act by which something is forbidden; a prohibition.
1920, St. John G. Ervine, The Foolish Lovers, London: W. Collins & Sons, Chapter 3, VIII, p. 228,
All law was composed of hindrances and obstacles and forbiddings, and therefore he was entirely opposed to Law.