On page 300, Tally notes that she no longer thought of Smokies as Uglies. What does Yally think ulgy is?

From the text:

The familiar faces in the crowd were haggard, dirty, crumpled by shock and defeat, but Tally realized that she no longer thought of them as ugly. It was the cold expressions of the Specials, beautiful though they were, that seemed horrific to her now.