We found 31 dictionaries that define the word planner:

General (24 matching dictionaries)

1. planner: Longman Dictionary of Contemporary English
2. planner: Merriam-Webster
3. planner: Oxford Learner's Dictionaries
4. planner: Collins English Dictionary
5. planner: Vocabulary.com
6. Planner, planner: Wordnik
7. planner: Cambridge Advanced Learner's Dictionary
8. planner: Wiktionary
9. planner: Webster's New World College Dictionary, 4th Ed.
10. planner: The Wordsmyth English Dictionary-Thesaurus
11. planner: Infoplease Dictionary
12. Planner, planner: Dictionary.com
13. planner: Cambridge Essential American English Dictionary
14. Planner (program), Planner (programming language), Planner: Wikipedia, the Free Encyclopedia
15. Planner: Online Plain Text English Dictionary
16. planner: Webster's Revised Unabridged, 1913 Edition
17. planner: Rhymezone
18. Planner: AllWords.com Multi-Lingual Dictionary
19. planner: Webster's 1828 Dictionary
20. planner: FreeDictionary.org
21. planner: Mnemonic Dictionary
22. planner: TheFreeDictionary.com

Business (1 matching dictionary)

23. planner: Legal dictionary

Computing (2 matching dictionaries)

24. PLANNER: Free On-line Dictionary of Computing
25. PLANNER: Encyclopedia

Medicine (2 matching dictionaries)

26. online medical dictionary (No longer online)
27. planner: Medical dictionary

Miscellaneous (1 matching dictionary)

28. planner: Idioms

Slang (1 matching dictionary)

29. planner: Urban Dictionary

(Note: See plan as well.)

Definitions from Wiktionary ( ) ▸ noun:  One who plans. ▸ noun:  A notebook or software in which one keeps reminders of items such as appointments, tasks, projects, and contacts. ▸ noun:  Synonym of filled pause Similar: deviser, contriver, replanner, plannee, plotter, planisher, counterplanner, planter, schemer, calendarer, more... Opposite: spontaneous, unplanned, unpremeditated Types: daily planner, weekly planner, monthly planner, agenda, calendar, more... Phrases: Financial planner, city planner, town planner, urban planner, social planner, more... Adjectives: financial, social, urban, central, professional, chief, strategic, daily, good, economic, regional Colors:     blue,     green,     pink,     purple,     black, more... ▸ Words similar to planner ▸ Usage examples for planner ▸ Idioms related to planner ▸ Wikipedia articles (New!) ▸ Popular adjectives describing planner ▸ Words that often appear near planner ▸ Rhymes of planner ▸ Invented words related to planner