We found 26 dictionaries that define the word smacking:

General (20 matching dictionaries)

1. smacking: Merriam-Webster
2. smacking: American Heritage Dictionary of the English Language
3. smacking: Collins English Dictionary
4. smacking: Vocabulary.com
5. Smacking, smacking: Wordnik
6. smacking: Cambridge Advanced Learner's Dictionary
7. smacking: Wiktionary
8. smacking: Webster's New World College Dictionary, 4th Ed.
9. smacking: The Wordsmyth English Dictionary-Thesaurus
10. smacking: Infoplease Dictionary
11. smacking: Dictionary.com
12. smacking: Cambridge Essential American English Dictionary
13. Smacking: Wikipedia, the Free Encyclopedia
14. Smacking: Online Plain Text English Dictionary
15. smacking: Webster's Revised Unabridged, 1913 Edition
16. smacking: Rhymezone
17. Smacking: AllWords.com Multi-Lingual Dictionary
18. smacking: FreeDictionary.org
19. smacking: Mnemonic Dictionary
20. smacking: TheFreeDictionary.com

Business (1 matching dictionary)

21. smacking: Legal dictionary

Computing (1 matching dictionary)

22. smacking: Encyclopedia

Medicine (1 matching dictionary)

23. smacking: Medical dictionary

Miscellaneous (1 matching dictionary)

24. smacking: Idioms

Slang (2 matching dictionaries)

25. smacking, smacking: Green’s Dictionary of Slang
26. smacking: Urban Dictionary

(Note: See smack as well.)

Definitions from Wiktionary (smacking) ▸ noun:  A series of smacks; the act by which somebody is smacked. ▸ adjective:  That resounds with a loud smack or series of smacks. Similar: slap, spank, swack, lipsmack, smacker, smatch, lip-smacking, smake, thwack, poppism, more... Opposite: caressing, kissing, hugging Phrases: lip smacking, smacking lips, smacking of irony, smacking noises, smacking a leafy green, more... Adjectives: lip, loud, much, good, great, prodigious, soft, wet, noisy, slight, audible Colors:     red,     pink,     crimson,     scarlet,     ruby, more... ▸ Words similar to smacking ▸ Usage examples for smacking ▸ Idioms related to smacking ▸ Wikipedia articles (New!) ▸ Popular adjectives describing smacking ▸ Popular nouns described by smacking ▸ Words that often appear near smacking ▸ Rhymes of smacking ▸ Invented words related to smacking