We found 24 dictionaries that define the word sleeping pill:

General (19 matching dictionaries)

1. sleeping pill: Longman Dictionary of Contemporary English
2. sleeping pill: Merriam-Webster
3. sleeping pill: Oxford Learner's Dictionaries
4. sleeping pill: American Heritage Dictionary of the English Language
5. sleeping pill: Collins English Dictionary
6. sleeping pill: Vocabulary.com
7. sleeping pill: Cambridge Advanced Learner's Dictionary
8. sleeping pill: Wiktionary
9. sleeping pill: The Wordsmyth English Dictionary-Thesaurus
10. sleeping pill: Infoplease Dictionary
11. sleeping pill: Dictionary.com
12. Sleeping pill: Wikipedia, the Free Encyclopedia
13. sleeping pill: Rhymezone
14. sleeping pill: AllWords.com Multi-Lingual Dictionary
15. sleeping pill: FreeDictionary.org
16. sleeping pill: Mnemonic Dictionary
17. sleeping pill: TheFreeDictionary.com

Business (1 matching dictionary)

18. sleeping pill: Legal dictionary

Computing (1 matching dictionary)

19. sleeping pill: Encyclopedia

Medicine (3 matching dictionaries)

20. sleeping pill: Merriam-Webster Medical Dictionary
21. online medical dictionary (No longer online)
22. sleeping pill: Medical dictionary

(Note: See sleeping_pills as well.)

Definitions from Wiktionary (sleeping pill) ▸ noun:  (pharmacology) A pill or tablet having a soporific effect. Similar: sleeping draught, sleeping tablet, sleeping capsule, hypnotic, dormitive, soporific, soporifick, sleep aid, soper, sedative, more... ▸ Words similar to sleeping pill ▸ Usage examples for sleeping pill ▸ Idioms related to sleeping pill ▸ Wikipedia articles (New!) ▸ Words that often appear near sleeping pill ▸ Rhymes of sleeping pill ▸ Invented words related to sleeping pill