/
grə(ʊ)ˈtɛsk/
adj.
  - comically or repulsively ugly or distorted.
 - shockingly incongruous or inappropriate.
 
n.
   - a grotesque figure or image.
 - a style of decorative painting or sculpture consisting of the interweaving of human and animal forms with flowers and foliage.
 - Printing  a family of 19th-century sans serif typefaces.
 
Derivative
- grotesquely adv.
  - grotesqueness n.
 
Etymology
C16 (as n.): from Fr. crotesque, from Ital. grottesca, from opera or pittura grottesca ‘work or painting resembling that found in a grotto’.