We found 20 dictionaries that define the word lumping:

General (14 matching dictionaries)

1. lumping: Merriam-Webster
2. lumping: Collins English Dictionary
3. lumping: Vocabulary.com
4. Lumping, lumping: Wordnik
5. lumping: Cambridge Advanced Learner's Dictionary
6. lumping: Wiktionary
7. Lumping, lumping: Dictionary.com
8. lumping: Cambridge Essential American English Dictionary
9. Lumping: Online Plain Text English Dictionary
10. lumping: Webster's Revised Unabridged, 1913 Edition
11. Lumping: AllWords.com Multi-Lingual Dictionary
12. lumping: Webster's 1828 Dictionary
13. lumping: FreeDictionary.org
14. Lumping: TheFreeDictionary.com

Business (1 matching dictionary)

15. lumping: Legal dictionary

Computing (1 matching dictionary)

16. lumping: Encyclopedia

Medicine (1 matching dictionary)

17. lumping: Medical dictionary

Miscellaneous (1 matching dictionary)

18. lumping: Idioms

Science (1 matching dictionary)

19. Fishkeeping glossary (No longer online)

Slang (1 matching dictionary)

20. lumping: Urban Dictionary

(Note: See lump as well.)

Definitions from Wiktionary (lumping) ▸ adjective:  Bulky; heavy. Similar: glob, clump, clod, hunk, lubber, swelling, lout, stumblebum, klutz, lummox, more... Opposite: separating, dividing, categorizing, distinguishing Phrases: Kuda Lumping, lumping everything, more... Adjectives: such, mass, indiscriminate, racial, ethnic, excessive, taxonomic, exact, physical, similar, much ▸ Words similar to lumping ▸ Usage examples for lumping ▸ Idioms related to lumping ▸ Wikipedia articles (New!) ▸ Popular nouns described by lumping ▸ Words that often appear near lumping ▸ Rhymes of lumping ▸ Invented words related to lumping