'Eyesore' definitions:

Definition of 'eyesore'

From: WordNet
noun
Something very ugly and offensive

Definition of 'Eyesore'

From: GCIDE
  • Eyesore \Eye"sore`\, n. Something offensive to the eye or sight; a blemish. [1913 Webster]
  • Mordecai was an eyesore to Haman. --L'Estrange. [1913 Webster]