hyperbole

As an adjective bombastic

is showy in speech and given to using flowery or elaborate terms; grandiloquent; pompous.

As a noun hyperbole is

extreme exaggeration or overstatement; especially as a literary or rhetorical device.

As an adjective figurative

is metaphorical or tropical, as opposed to literal; using figures; as of the use of "cats and dogs" in the phrase "It's raining cats and dogs".

As a noun hyperbole is

extreme exaggeration or overstatement; especially as a literary or rhetorical device.

As nouns the difference between trope and hyperbole

is that trope is (literature) something recurring across a genre or type of literature, such as the ‘mad scientist’ of horror movies or ‘once upon a time’ as an introduction to fairy tales similar to archetype and but not necessarily pejorative while hyperbole is (uncountable) extreme exaggeration or overstatement; especially as a literary or rhetorical device.

As a verb trope

is to use, or embellish something with a trope.

As nouns the difference between hyperbole and overkill

is that hyperbole is (uncountable) extreme exaggeration or overstatement; especially as a literary or rhetorical device while overkill is (literally) a destructive capacity that exceeds that needed to destroy an enemy; especially with nuclear weapons.

As a verb overkill is

to destroy something with more (nuclear) force than is required.

In uncountable terms the difference between onomatopoeia and hyperbole

is that onomatopoeia is the property of a word of sounding like what it represents while hyperbole is deliberate exaggeration.

In countable terms the difference between onomatopoeia and hyperbole

is that onomatopoeia is a word that sounds like what it represents, such as "gurgle" or "hiss" while hyperbole is an instance or example of this technique.

As nouns the difference between fallacy and hyperbole

is that fallacy is deceptive or false appearance; deceitfulness; that which misleads the eye or the mind; deception while hyperbole is extreme exaggeration or overstatement; especially as a literary or rhetorical device.

As nouns the difference between hyperbole and kitties

is that hyperbole is (uncountable) extreme exaggeration or overstatement; especially as a literary or rhetorical device while kitties is .

As nouns the difference between ostentation and hyperbole

is that ostentation is ambitious display; vain show; display intended to excite admiration or applause while hyperbole is (uncountable) extreme exaggeration or overstatement; especially as a literary or rhetorical device.

As an adjective facetious

is treating serious issues with deliberately inappropriate humour; flippant.

As a noun hyperbole is

extreme exaggeration or overstatement; especially as a literary or rhetorical device.

As nouns the difference between hyperbole and sensationalist

is that hyperbole is extreme exaggeration or overstatement; especially as a literary or rhetorical device while sensationalist is one who indulges in sensational behavior or action.

As an adjective sensationalist is

sensationalistic; tending to sensationalize; characterized by sensationalism (the use of exaggerated or lurid material in order to gain public attention).