We found 10 dictionaries that define the word pressure groups:

General (7 matching dictionaries)

1. pressure groups: Merriam-Webster
2. pressure groups: Collins English Dictionary
3. pressure groups: Vocabulary.com
4. pressure groups: Cambridge Advanced Learner's Dictionary
5. pressure groups: Wiktionary
6. Pressure Groups, Pressure groups: Wikipedia, the Free Encyclopedia
7. Pressure groups: TheFreeDictionary.com

Business (2 matching dictionaries)

8. Pressure groups: Legal dictionary
9. Accounting, Business Studies and Economics Dictionary (No longer online)

Computing (1 matching dictionary)

10. Pressure groups: Encyclopedia

(Note: See pressure_group as well.)

Definitions from Wiktionary (pressure group) ▸ noun:  An advocacy group. ▸ Also see pressure_group Phrases: political pressure groups, more... ▸ Words similar to pressure groups ▸ Usage examples for pressure groups ▸ Idioms related to pressure groups ▸ Wikipedia articles (New!) ▸ Words that often appear near pressure groups ▸ Rhymes of pressure groups ▸ Invented words related to pressure groups