THREATENED
threatened
(adjective) (of flora or fauna) likely in the near future to become endangered; “the spotted owl is a threatened species, not yet an endangered one”
Source: WordNet® 3.1
Verb
threatened
simple past tense and past participle of threaten
Adjective
threatened (comparative more threatened, superlative most threatened)
(ecology, of a plant or animal) At risk of becoming endangered in the near future.
Feeling insecure or vulnerable.
Source: Wiktionary
THREATEN
Threat"en, v. t. [imp. & p. p. Threatened; p. pr. & vb. n.
Threatening.] Etym: [OE. . See Threat, v. t.]
1. To utter threats against; to menace; to inspire with apprehension;
to alarm, or attempt to alarm, as with the promise of something evil
or disagreeable; to warn.
Let us straitly threaten them, that they speak henceforth to no man
in this name. Acts iv. 17.
2. To exhibit the appearance of (something evil or unpleasant) as
approaching; to indicate as impending; to announce the conditional
infliction of; as, to threaten war; to threaten death. Milton.
The skies look grimly And threaten present blusters. Shak.
Syn.
– To menace.
– Threaten, Menace. Threaten is Anglo-Saxon, and menace is Latin.
As often happens, the former is the more familiar term; the latter is
more employed in formal style. We are threatened with a drought; the
country is menaced with war.
By turns put on the suppliant and the lord: Threatened this moment,
and the next implored. Prior.
Of the sharp ax Regardless, that o'er his devoted head Hangs
menacing. Somerville.
Threat"en, v. i.
Definition: To use threats, or menaces; also, to have a threatening
appearance.
Though the seas threaten, they are merciful. Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition