forbidding

"The forbidding atmosphere of the abandoned house made her feel uneasy."

"He had a forbidding demeanor that made others hesitant to approach him."

"The mountain loomed forbiddingly over the small village, casting a shadow."

"The teacher is forbidding students from using their phones during the exam."

"They are forbidding any outside food at the concert venue."

"The law forbidding littering was strictly enforced in the park."