Tending or threatening to impede progress: forbidding rapids. (adjective)
Unpleasant; disagreeable: a forbidding scowl. (adjective)
Having a menacing aspect: forbidding thunderclouds. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "forbidding" in a sentence
"Given the fact that “wearing the colors” is considered to be deliberate disrespect by members of another gang, I think the school was justified in forbidding the wearing of the US flag, in this case."
"I think the school was justified in forbidding the wearing of the USflag ..."
"But my preferred way of thinking about such things would at least be open to the possibility that there might be a sufficiently compelling state interest in forbidding it."