> as lemmas
ecodoomster
ecodoomster n. 
/ˌɛkəʊˈduːmstə/, /ˌikoʊˈdumstər/ colloquial (depreciative) a person who makes pessimistic forecasts about the environment; a prophet of ecodoom.
Brit. /ˌiːkəʊˈduːmstə/
, /ˌiːkəʊˈduːmstə//ˌɛkəʊˈduːmstə/U.S. /ˌɛkoʊˈdumstər/
, /ˌɛkoʊˈdumstər//ˌikoʊˈdumstər/ΘΚΠ
the mind > emotion > fear > quality of inspiring fear > [noun] > one who or that which inspires fear > specific regarding the environment
ecodoomster1972
the mind > mental capacity > expectation > foresight, foreknowledge > prediction, foretelling > [noun] > one who predicts > misfortune > ecological
doomwatcher1971
ecodoomster1972
1972 Times 31 May 14 (heading) Flaws in ecodoomsters' arguments.
2006 Daily Mail (Nexis) 18 Feb. 16 Such talk might seem like scare-mongering, the familiar refrain of the eco-doomsters who merely wish to make our flesh creep.
<
as lemmas