Definitions

1. verb

to make something less beautiful or attractive

“The pollution of the river began to unbeautify the surrounding landscape.”

2. verb

to remove or reduce the beauty or attractiveness of something

“The harsh weather conditions were unbeautifying the once picturesque village.”

3. noun

the act or process of making something less beautiful or attractive

“The unbeautification of the city was a gradual process that occurred over several decades.”