adjective

threatening

menacing, intimidating, ominous

He received a threatening letter.

He received a threatening letter.

The dark clouds look threatening.

The dark clouds look threatening.

a threatening ((noun)) a threatening letter, a threatening look He received a threatening letter.

Synonyms: menacing, intimidating, ominous; Antonyms: friendly, reassuring, harmless

Present participle of the verb 'threaten'. The '-ing' suffix forms an adjective indicating an ongoing quality.

Imagine a big, dark cloud 'threatening' to rain. This connects the word to a sense of impending danger.

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