It is common in informal speech and writing but is neither rare nor wrong in serious discourse Definition of pretty adjective in oxford advanced learner's dictionary We can use pretty as an adverb, before an adjective or another adverb, meaning ‘quite, but not extremely’
Beautiful young girl with natural nude make-up. Beauty face. Photo
Pleasing or attractive to the eye, as by delicacy or gracefulness.
See examples of pretty used in a sentence.
If you describe someone as pretty, you mean that they are attractive She's a very charming and very pretty girl. Attractive to look at usually in a simple or delicate way used especially of a girl or woman Pleasant to look at or listen to
When particularly stressed, the adverb pretty serves almost to diminish the adjective or adverb that it modifies, by emphasizing that there are greater levels of intensity. Use the word pretty to describe something with a delicate and pleasant appearance Something that’s pretty is less powerful and intimidating than something that’s beautiful, the way a pretty floral raincoat is less intimidating than a beautiful film star.