bonkers

As an adjective bonkers

is (informal) irrational, crazy.

As a proper noun goofy is

a character: a slow-witted anthropomorphic dog with a goofy laugh.

As adjectives the difference between lunatic and bonkers

is that lunatic is crazed, mad, insane, demented while bonkers is (informal) irrational, crazy.

As a noun lunatic

is an insane person.

As adjectives the difference between bonkers and insane

is that bonkers is (informal) irrational, crazy while insane is exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted .

In informal terms the difference between fool and bonkers

is that fool is someone who derives pleasure from something specified while bonkers is irrational, crazy.

As a noun fool

is a person with poor judgment or little intelligence.

As a verb fool

is to trick; to make a fool of someone.

As an adjective bonkers is

irrational, crazy.

As adjectives the difference between bonkers and nutty

is that bonkers is (informal) irrational, crazy while nutty is containing nuts.

As adjectives the difference between loony and bonkers

is that loony is insane while bonkers is irrational, crazy.

As a noun loony

is an insane or very foolish person.

As adjectives the difference between bonkers and silly

is that bonkers is irrational, crazy while silly is pitiable; deserving of compassion; helpless.

As a noun silly is

a silly person; a fool.

As adjectives the difference between bonkers and loopy

is that bonkers is (informal) irrational, crazy while loopy is having loops.

As a noun yonkers

is .

As an adjective bonkers is

(informal) irrational, crazy.