We found 22 dictionaries that define the word kissing:

General (16 matching dictionaries)

1. kissing: Merriam-Webster
2. kissing: Collins English Dictionary
3. kissing: Vocabulary.com
4. Kissing, kissing: Wordnik
5. kissing: Cambridge Advanced Learner's Dictionary
6. kissing: Wiktionary
7. Kissing, kissing: Dictionary.com
8. kissing: Cambridge Essential American English Dictionary
9. Kissing: Wikipedia, the Free Encyclopedia
10. Kissing: Online Plain Text English Dictionary
11. kissing: Rhymezone
12. Kissing: AllWords.com Multi-Lingual Dictionary
13. kissing: Webster's 1828 Dictionary
14. kissing: FreeDictionary.org
15. kissing: Mnemonic Dictionary
16. kissing: TheFreeDictionary.com

Business (2 matching dictionaries)

17. Bouvier's Law Dictionary 1856 Edition (No longer online)
18. Kissing: Legal dictionary

Computing (1 matching dictionary)

19. kissing: Encyclopedia

Miscellaneous (1 matching dictionary)

20. kissing: Idioms

Slang (2 matching dictionaries)

21. Kissing: Street Terms: Drugs and the Drug Trade
22. kissing: Urban Dictionary

(Note: See kiss as well.)

Definitions from Wiktionary (kissing) ▸ adjective:  That kisses; engaged in a kiss or kissing. ▸ adjective:  Just touching. ▸ noun:  The act of giving a kiss or making out. Similar: caressing, petting, hugging, snuggling, cuddling, fondling, necking, smooching, kissy, tickling, more... Opposite: biting, biting kissing Types: french, open-mouthed, closed-mouthed, air, lip, lip-to-lip, more... Phrases: french kissing, Kissing Cousins, kissing gate, kissing disease, kissing bugs, more... Adjectives: french, deep, much, passionate, hand, little, public, promiscuous, excessive, social, erotic Colors:     red,     pink,     rose,     blush,     scarlet, more... ▸ Words similar to kissing ▸ Usage examples for kissing ▸ Idioms related to kissing ▸ Wikipedia articles (New!) ▸ Popular adjectives describing kissing ▸ Popular nouns described by kissing ▸ Words that often appear near kissing ▸ Rhymes of kissing ▸ Invented words related to kissing