Threaten

威嚇する

ikaku suru

(to menace, or be dangerous)

威嚇する

ikaku suru

(to portend, or give a warning of)

脅かす

(to make a threat against someone; to use threats)

脅かす

(to menace, or be dangerous)

脅す

odosu

(to make a threat against someone; to use threats)

脅迫する

kyōhaku suru

(to make a threat against someone; to use threats)