Dark And Sinister Vocabulary

adjective relating to or characteristic of the devil; devilish

• The diabolic scheme was carefully planned by the criminal mastermind.
• That diabolic prank you pulled was hilarious!
• I can't believe she's dating that diabolic guy.
• The diabolic storm wreaked havoc on the small town.

adjective showing or suggesting that something bad is going to happen; threatening

• The minacious storm clouds gathered overhead, signaling an impending downpour.
• I could feel a minacious vibe in the air as we walked through the dark alley.
• That guy gives off a minacious aura, I wouldn't trust him.
• The minacious shadow of doubt loomed over their relationship, causing tension.