unpretty

Etymology 1
From.

Adjective

 * 1) Not pretty.
 * 2) * 1999, TLC (band), Unpretty (song)
 * I wish I could tie you up in my shoes, / Make you feel unpretty too. / I was told I was beautiful / But what does that mean to you?

Etymology 2
From.

Verb

 * 1)  To make unpretty or less attractive