Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary    
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
lunacy

lu·na·cy

lunacy

pronunciation:
lu n si
features:
Word Parts
part of speech: noun
inflections: lunacies
definition 1: mental derangement; insanity.
synonyms:
dementia, derangement, insanity, madness
antonyms:
sanity
similar words:
craziness, frenzy, psychosis
definition 2: wild and foolish thinking or behavior, or an instance of this.
synonyms:
craziness, folly, foolishness, imbecility, insanity, madness, wildness
similar words:
absurdity, frenzy, stupidity
Word Parts
The word lunacy contains the following part:
lun, luni, luna Latin root that means moon