(more grotesque; most grotesque)
1 : very strange or ugly in a way that is not normal or natural
animals with grotesque deformities
a grotesque villain
The actors wore dark capes and grotesque masks.
2 : extremely different from what is expected or usual
a grotesque distortion of the facts
– grotesquely adverb
grotesquely deformed
– grotesqueness noun (noncount)