Difference between Lunatic and Insane

LUNATIC vs INSANE: NOUN

More generally (and in law), any person of unsound mind. See further under lunacy and insanity.
A person affected with lunacy; specifically, an insane person who has lucid intervals, or one whose unsoundness of mind is acquired, not congenital, as distinguished from an idiot.
Synonyms See insanity.
A person affected by lunacy; an insane person, esp. one who has lucid intervals; a madman; a person of unsound mind.
A very foolish person.
A person who is affected by lunacy; a mentally deranged person.
A reckless impetuous irresponsible person
An insane person

Afflicted with or characteristic of mental derangement
Very foolish
Causing insanity or madness.
Used by, or appropriated to, insane persons.
Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted. See insanity, 2.
Very foolish; absurd.
Immoderate; wild.
Having been determined to be in a condition that meets the legal definition of insanity.
Intended for use by such persons.
Characteristic of or associated with persons who are mentally deranged.
Characterized by insanity or the utmost folly; chimerical; unpractical
Of, exhibiting, or afflicted with mental derangement. Not used in psychiatric diagnosis.

Moonstruck; affected by lunacy; periodically insane, with lucid intervals; crazy.
Indicating lunacy; in the nature of lunacy.
Of or like the moon.

Synonyms Crazed, lunatic, demented, maniacal.
Making insane; causing insanity.
Devoted to the use or care of the insane: as, an insane asylum.
Characteristic of a person mentally deranged; hence, wild; insensate; senseless.
Not sane; unsound or deranged in mind; crazy.

Moron, Loony, Crackpot, Wacko, Nutter, Nutcase, Harum scarum, Swashbuckler, Moonstruck, Daredevil, Madcap, Hothead, Insane, Madman, Maniac

Nutty, Schizophrenic, Paranoid, Loony, Batty, Maniac, Psychotic, Unhinged, Deranged, Demented, Idiotic, Mad, Bonkers, Lunatic, Crazy

Moron, Loony, Crackpot, Wacko, Nutter, Nutcase, Harum scarum, Swashbuckler, Moonstruck, Daredevil, Madcap, Hothead, Insane, Madman, Maniac

Nutty, Schizophrenic, Paranoid, Loony, Batty, Maniac, Psychotic, Unhinged, Deranged, Demented, Idiotic, Mad, Bonkers, Lunatic, Crazy

Wilson Stahlnecker, guardian of William Stanluf, a lunatic.
Hard and Lunatic are available for you masochists.
History of the Provincial Lunatic Asylum at Toronto.
OP, sorry for the derail with this lunatic.
If you are napoleon BACTRIM is a lunatic.
Tragically, the community takes Moishe for a lunatic.
So much of his work is about trying to not become a lunatic or make everyone around you a lunatic when you become rich.
Part A of criminal cases in which a lunatic is concerned unless the lunatic shall have been subsequently tried or have died.
Thank God and the American people for keeping this lunatic and his lunatic choice for VP out of office.
One Days as a Lunatic in the Arkansas Lunatic Asylum.

This whole situation is insane and quite frankly is making me insane.
This is one insane quest fit for one insane faction of isolated geniuses.
Even if not deemed legally insane, a serial killer is certainly morally and ethnically insane.
If you want to demonstrate that someone is insane, then they gotta fucking look insane.
He acts insane but tries to insist I am the one who is insane.
Do people living through insane times realize just how insane that time is?
Asa was insane; but Asa was insane because the deed itself was insane.
Finally, I went insane, and not the good kind of insane either.
The people are all insane, the other animals are all insane, the earth is insane, Nature itself is insane.
Insane stunting circuits, insane jumps, insane speeds: Trackmania Turbo has it all.