Simple past tense and past participle of uglify. (verb)
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Use "uglified" in a sentence
""What was it you uglified them for - I mean, what they call uglified?""
"Yes she went and "uglified" herself, but the performance is so much more than that."
"The true test for how racing will run in 2011 comes at Phoenix the end of February, where cars run for the first time without the visible braces on the CoT that "uglified" the front ends while leading to several cut tires and frayed tempers when drivers made contact."