We found 27 dictionaries that define the word Lessen:

General (24 matching dictionaries)

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

Business (1 matching dictionary)

23. lessen: Legal dictionary

Computing (1 matching dictionary)

24. lessen: Encyclopedia

Miscellaneous (1 matching dictionary)

25. Sound-Alike Words (No longer online)

(Note: See lessened as well.)

Definitions from Wiktionary (lessen) ▸ verb:  (transitive) To make less; to diminish; to reduce. ▸ verb:  (intransitive) To become less. Similar: diminish, minify, decrease, subside, fall, shorten, less, smallen, reduce, lower, more... Opposite: increase, intensify, amplify, augment, magnify Types: moral, moralistic, didactic, pedantic, didactical, more... Phrases: gradually lessen, to lessen, lessen burden, lessen the effect of, lessen in intensity, more... Adjectives: next, great, least, cold, chill, wise, sweet, current Colors:     pale blue,     light gray,     soft pink,     pastel yellow,     faded lavender, more... ▸ Words similar to Lessen ▸ Usage examples for Lessen ▸ Idioms related to Lessen ▸ Wikipedia articles (New!) ▸ Words that often appear near Lessen ▸ Rhymes of Lessen ▸ Invented words related to Lessen