We found 14 dictionaries that define the word peace of mind:

General (10 matching dictionaries)

1. peace of mind: Merriam-Webster
2. peace of mind: Collins English Dictionary
3. peace of mind: Vocabulary.com
4. peace of mind: Wiktionary
5. peace of mind: Dictionary.com
6. Peace of Mind (Bee Gees song), Peace of Mind (Boston song), Peace of Mind (Breathe album), Peace of Mind (Jay Whiss album), Peace of Mind (Michael Monroe album), Peace of Mind (Rebelution album), Peace of Mind (band), Peace of Mind (film), Peace of Mind, Peace of mind: Wikipedia, the Free Encyclopedia
7. peace of mind: Rhymezone
8. peace of mind: FreeDictionary.org
9. peace of mind: Mnemonic Dictionary
10. peace of mind: TheFreeDictionary.com

Business (1 matching dictionary)

11. peace of mind: Legal dictionary

Computing (1 matching dictionary)

12. peace of mind: Encyclopedia

Miscellaneous (1 matching dictionary)

13. peace of mind: Idioms

Slang (1 matching dictionary)

14. peace of mind: Urban Dictionary

(Note: See peace_of_minds as well.)

Definitions from Wiktionary (peace of mind) ▸ noun:  The absence of mental turmoil or anxiety. Similar: peacefulness, serenity, peace, ataraxis, repose, heartsease, rest, imperturbation, peace and quiet, ease, more... Opposite: anxiety, stress, tension, worry Phrases: The Death of Peace of Mind, have peace of mind, more... Adjectives: quiet, tranquil, halcyon, calm, restful, peacelike, undisturbed, serene, peaceful, placid, dead calm ▸ Words similar to peace of mind ▸ Usage examples for peace of mind ▸ Idioms related to peace of mind ▸ Wikipedia articles (New!) ▸ Words that often appear near peace of mind ▸ Rhymes of peace of mind ▸ Invented words related to peace of mind