We found 18 dictionaries that define the word less than:

General (10 matching dictionaries)

1. less than: Merriam-Webster
2. less-than: Wordnik
3. less than: Cambridge Advanced Learner's Dictionary
4. less than: Wiktionary
5. less than: Dictionary.com
6. Less Than (song), Less Than, Less than: Wikipedia, the Free Encyclopedia
7. less than: Rhymezone
8. less than: TheFreeDictionary.com

Business (1 matching dictionary)

9. Less-than, less than: Legal dictionary

Computing (3 matching dictionaries)

10. less than: Free On-line Dictionary of Computing
11. less than: CCI Computer
12. Less-than, less than: Encyclopedia

Medicine (2 matching dictionaries)

13. less than: Merriam-Webster Medical Dictionary
14. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

15. less than: Idioms

Slang (1 matching dictionary)

16. less than: Urban Dictionary

Definitions from Wiktionary (less than) ▸ noun:  The character <, used to show that one amount or number is smaller than another. ▸ adjective:  Inferior in consideration, rank, or importance. Similar: to a lesser degree, fraction, denominator, fractional number, subteen, fractional, one-tenth, oneth, numerator, half, more... Opposite: greater than, more than Types: smaller, inferior, lower, poorer, worse, littler, minor, shorter, tighter, more... Phrases: in less than no time, no less than, less than container load, nothing less than, less than carload, more... Adjectives: blank, extenuate, decremental, overhead, obsolete, relaxed, loose, reduced, impacted, old ▸ Words similar to less than ▸ Usage examples for less than ▸ Idioms related to less than ▸ Wikipedia articles (New!) ▸ Popular nouns described by less than ▸ Words that often appear near less than ▸ Rhymes of less than ▸ Invented words related to less than