Webster's 1828 Dictionary

THREATENING

ppr. thret'ning. Menacing; denouncing evil. 1. a. Indicating a threat or menace; as a threatening look.
2. Indicating something impending; as, the weather is threatening; the clouds have a threatening aspect.

 

THREATENING

n.thret'ning. The act of menacing; a menace; a denunciation of evil, or declaration of a purpose to inflict evil on a person or country, usually for sins and offenses. The prophets are filled with God's threatenings against the rebellious Jews. Acts 4:29.

 

THREATENINGLY

adv. thret'ningly. With a threat or menace; in a threatening manner.

 

Webster's 1913 Dictionary

THREATENING

THREATENING Threat "en *ing,

 

Defn: a. & n. from Threaten, v. -- Threat "en *ing *ly, adv. Threatening letters (Law ), letters containing threats, especially those designed to extort money, or to obtain other property, by menaces; blackmailing letters.

 

New American Oxford Dictionary

threatening

threat en ing |ˈTHretn-iNG ˈθrɛtnɪŋ | ▶adjective having a hostile or deliberately frightening quality or manner: her mother had received a threatening letter. • Law (of behavior ) showing an intention to cause bodily harm. • (of a person or situation ) causing someone to feel vulnerable or at risk: she was a type he found threatening. • (of weather conditions ) indicating that bad weather is likely: black threatening clouds. DERIVATIVES threat en ing ly adverb

 

Oxford Dictionary

threatening

threat ¦en |ing |ˈθrɛtnɪŋ | ▶adjective having a hostile or deliberately frightening quality or manner: her mother had received a threatening letter. • Law (of behaviour ) showing an intention to cause bodily harm. • causing someone to feel vulnerable or at risk: she was a type he found threatening. • (of weather conditions ) indicating that bad weather is likely: black threatening clouds. DERIVATIVES threateningly adverb

 

American Oxford Thesaurus

threatening

threatening adjective 1 a threatening letter: menacing, intimidating, bullying, frightening, hostile; formal minatory. 2 banks of threatening clouds: ominous, sinister, menacing, alarming, portentous, dark, black, thunderous.

 

Oxford Thesaurus

threatening

threatening adjective 1 her mother had received a threatening letter: menacing, intimidating, bullying, frightening, terrifying, scary, fearsome, alarming, forbidding, baleful; warning, admonitory, cautionary; rare minacious, minatory, minatorial, comminatory. 2 banks of threatening clouds were building up: ominous, glowering, brooding, sinister, menacing, black, thunderous, dark, wintry, gloomy, heavy, dire, ill, evil, baleful, forbidding, doomy, ugly, unpromising, portentous, foreboding, unpropitious, pessimistic, inauspicious, unfavourable, unlucky, ill-fated, dangerous; archaic direful; rare minacious.

 

Sanseido Wisdom Dictionary

threatening

threat en ing /θrét (ə )nɪŋ /形容詞 more ～; most ～1 〖通例 名詞 の前で 〗脅しの, 脅迫的な ▸ a threatening phone call 脅迫電話 ▸ a threatening look from the boss 上司からの脅すような一瞥 （いちべつ ）2 〈空 雲などが 〉荒れる気配の ▸ a threatening sky 怪しい空模様 ～ly 副詞