Hypertext Webster Gateway: "threateningly"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Threatening \Threat"en*ing\,
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.
From WordNet (r) 1.7 (wn)
threateningly
adv : in a menacing manner; "the voice at the other end of the
line dropped menacingly" [syn: {menacingly}]
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