prophet of doom (noun) killjoy: spoilsport
Sinonime: -nouns
zero, nothing; null, nul, naught, nought, void; cipher, goose egg; none, nobody, no one; nichts [Ger.], nixie, nix; zilch, zip, zippo [slang]; not a soul; ame qui vive; absence; unsubstantiality.
-adjectives
not one, not a one, not any, nary a one [dial.]; not a, never a; not a whit of, not an iota of, not a drop of, not a speck of, not a jot; not a trace of, not a hint of, not a smidgen of, not a suspicion of, not a shadow of, neither hide nor hair of.