Menace
WordNet
noun
(1) A threat or the act of threatening
"He spoke with desperate menace"
(2) Something that is a source of danger
"Earthquakes are a constant threat in Japan"
verb
(3) Act in a threatening manner
"A menacing person"
(4) Express a threat either by an utterance or a gesture
"He menaced the bank manager with a stick"
(5) Pose a threat to; present a danger to
"The pollution is endangering the crops"