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We found 33 dictionaries with English definitions that include the word ruthless:
Click on the first link on a line below to go directly to a page where "ruthless" is defined.

General (30 matching dictionaries)

1. ruthless: Merriam-Webster.com [home, info]
2. ruthless: Oxford Dictionaries [home, info]
3. ruthless: American Heritage Dictionary of the English Language [home, info]
4. ruthless: Collins English Dictionary [home, info]
5. ruthless: Vocabulary.com [home, info]
6. ruthless: Macmillan Dictionary [home, info]
7. Ruthless, ruthless: Wordnik [home, info]
8. ruthless: Cambridge Advanced Learner's Dictionary [home, info]
9. ruthless: Wiktionary [home, info]
10. ruthless: Webster's New World College Dictionary, 4th Ed. [home, info]
11. ruthless: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. ruthless: Infoplease Dictionary [home, info]
13. ruthless: Dictionary.com [home, info]
14. ruthless: Online Etymology Dictionary [home, info]
15. ruthless: UltraLingua English Dictionary [home, info]
16. ruthless: Cambridge Dictionary of American English [home, info]
17. Ruthless (Ace Hood album), Ruthless (TV series), Ruthless (film), Ruthless (horse), Ruthless, Ruthless, The Ruthless: Wikipedia, the Free Encyclopedia [home, info]
18. Ruthless: Online Plain Text English Dictionary [home, info]
19. ruthless: Webster's Revised Unabridged, 1913 Edition [home, info]
20. ruthless: Rhymezone [home, info]
21. Ruthless: AllWords.com Multi-Lingual Dictionary [home, info]
22. ruthless: Webster's 1828 Dictionary [home, info]
23. ruthless: Free Dictionary [home, info]
24. ruthless: Mnemonic Dictionary [home, info]
25. ruthless: WordNet 1.7 Vocabulary Helper [home, info]
26. ruthless: LookWAYup Translating Dictionary/Thesaurus [home, info]
27. ruthless: Dictionary/thesaurus [home, info]
28. Ruthless: World Wide Words [home, info]

Business (1 matching dictionary)

29. ruthless: Legal dictionary [home, info]

Computing (1 matching dictionary)

30. ruthless: Encyclopedia [home, info]

Slang (1 matching dictionary)

31. Ruthless: Totally Unofficial Rap [home, info]

(Note: See ruthlessness for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (ruthless) ▸ adjective:  without mercy or pity ("An act of ruthless ferocity") ▸ Also see ruthlessness ▸ Word origin ▸ Words similar to ruthless ▸ Usage examples for ruthless ▸ Popular nouns described by ruthless ▸ Words that often appear near ruthless ▸ Rhymes of ruthless ▸ Invented words related to ruthless