Used attributively before nouns to describe something or someone that dampens enjoyment.
Translations
rabat-joieInvariable. S’emploie surtout avant un nom ou après un verbe copule pour dire « qui gâche l’ambiance / le plaisir ». His killjoy attitude ruined the festive mood.
Son attitude rabat-joie a gâché l’ambiance festive.
Definitions
Tending to spoil the pleasure or enthusiasm of others; joy-dampening. His killjoy attitude ruined the festive mood.