Definify.com
Webster 1913 Edition
Lunatic
1. 
Affected by lunacy; insane; mad; crazy; demented. 
Lord, have mercy on my son; for he is 
lunatic
. Wyclif (Matt. xvii. 15).
2. 
Of or pertaining to, or suitable for, an insane person; evincing lunacy; 
 as, 
 lunatic 
gibberish; a lunatic 
asylum.Lu′na-tic
,Noun.
 A person affected by lunacy; an insane person, esp. one who has lucid intervals; a madman; a person of unsound mind. 
The 
Are of imagination all compact.
lunatic
, the lover, and the poet,Are of imagination all compact.
Shakespeare
Webster 1828 Edition
Lunatic
LU'NATIC
,Adj.
  LU'NATIC
,Noun.
  Definition 2025
lunatic
lunatic
English
Noun
lunatic (plural lunatics)
- An insane person.
 
Synonyms
- moonling
 - See also Wikisaurus:mad person
 
Translations
insane person
  | 
Adjective
lunatic (comparative more lunatic, superlative most lunatic)
Synonyms
Translations
crazed
  | 
  | 
Romanian
Pronunciation
- IPA(key): /luˈna.tik/
 
Etymology 1
From Latin lūnāticus, equivalent to lună + -atic.
Alternative forms
- lunatec
 
Noun
lunatic m (plural lunatici)
- somnambulist, sleepwalker
 - (rare) dullard, fool, scatterbrain
 
Declension
declension of lunatic
Synonyms
- (sleepwalker): somnambul, somnambulist, noctambul
 - (fool): prostănac, cretin
 
Adjective
lunatic m, n (feminine singular lunatică, masculine plural lunatici, feminine and neuter plural lunatice)
- (popular, rare) born in the same month as another
 
Declension
declension of lunatic
	| singular | plural | ||||||
|---|---|---|---|---|---|---|---|
| masculine | neuter | feminine | masculine | neuter | feminine | ||
|  nominative/  accusative  | 
	indefinite | lunatic | lunatică | lunatici | lunatice | ||
| definite | lunaticul | lunatica | lunaticii | lunaticele | |||
|  genitive/  dative  | 
	indefinite | lunatic | lunatice | lunatici | lunatice | ||
| definite | lunaticului | lunaticei | lunaticilor | lunaticelor | |||
Related terms
Etymology 2
Borrowing from French lunatique, Italian lunatico.
Adjective
lunatic m, n (feminine singular lunatică, masculine plural lunatici, feminine and neuter plural lunatice)
- (rare) having hallucinations
 - (rare) fantastic, unreal, bizarre
 - having unusual or strange ideas and behavior
 - (rare) fearful
 
Declension
declension of lunatic
	| singular | plural | ||||||
|---|---|---|---|---|---|---|---|
| masculine | neuter | feminine | masculine | neuter | feminine | ||
|  nominative/  accusative  | 
	indefinite | lunatic | lunatică | lunatici | lunatice | ||
| definite | lunaticul | lunatica | lunaticii | lunaticele | |||
|  genitive/  dative  | 
	indefinite | lunatic | lunatice | lunatici | lunatice | ||
| definite | lunaticului | lunaticei | lunaticilor | lunaticelor | |||
See also
- zăpăcit