Wordnet 3.0
ADJECTIVE (1)
1. 
 violating aesthetic canons or requirements; 
 deficient in tastefulness or beauty; 
- Example: "inaesthetic and quite unintellectual"- Example: "peered through those inaesthetic spectacles"[syn: inaesthetic, unaesthetic]
WordNet (r) 3.0 (2006):
inaesthetic
    adj 1: violating aesthetic canons or requirements; deficient in
           tastefulness or beauty; "inaesthetic and quite
           unintellectual"; "peered through those inaesthetic
           spectacles" [syn: inaesthetic, unaesthetic] [ant:
           aesthetic, aesthetical, esthetic, esthetical]