menacing
131menacingly — adverb in a menacing manner the voice at the other end of the line dropped menacingly • Syn: ↑threateningly • Derived from adjective: ↑threatening (for: ↑threateningly), ↑menacing …
132minacious — adjective threatening or foreshadowing evil or tragic developments a baleful look forbidding thunderclouds his tone became menacing ominous rumblings of discontent sinister storm clouds a sinister smile his threatening behavior …