We found 3 dictionaries that define the word frowned on:

General (2 matching dictionaries)

1. frowned on: Vocabulary.com
2. frowned on: TheFreeDictionary.com

Miscellaneous (1 matching dictionary)

3. frowned on: Idioms

▸ Words similar to frowned on ▸ Usage examples for frowned on ▸ Idioms related to frowned on ▸ Wikipedia articles (New!) ▸ Words that often appear near frowned on ▸ Rhymes of frowned on ▸ Invented words related to frowned on