not a pretty sight

Noun

not a pretty sight (uncountable)

1. (euphemistic, humorous, sometimes) Something visually unappealing, ranging from mildly unattractive to utterly disgusting in appearance.
   • The navvy was certainly not a pretty sight. His muscular arms and legs were all a-sprawl and his head hung back at a strange angle to his body.1890, Sir Arthur Conan Doyle, chapter 44, in The Firm of Girdlestone
   • Bud was not a pretty sight. Four days and nights of trying to see how much whisky he could drink, and how long he could play poker without going to sleep or going broke, had left their mark on his face.1918, B. M. Bower, chapter 11, in Cabin Fever
2. (broadly, idiomatic) Something disappointing, disquieting, disreputable, or otherwise unworthy of admiration.
   • Her lover, cheek by jowl with Maria, at the head of that army of Portuguese ragamuffins, was not a pretty sight.1909, Jack London, chapter 35, in Martin Eden
   • The Tariff Bill was rounded into shape for final passage by the House last week. It was not a pretty sight for soft-hearted political theorists.1929 June 23, “Impelled to Passage”, in Time