Crossword Dictionary

frenetic

frantic, frenetic, phrenetic, frenzied - a 
excessively agitated; distraught with fear or other violent emotion; "frantic with anger and frustration"; "frenetic screams followed the accident"; "a frenzied look in his eye" 

wordplays

synonyms

delirious, ferocious, feverish, fierce, frantic, frenzied, furious, mad, rabid, violent, wild

in a sentence

Dillon and Deanne laughed and boogied frenetically for a moment, and then began to waltz as the speed was adjusted 

the freneticism of the urban milieu of the late fifties and early sixties …

The celebration was noisy and frenetic.

the frenetic rush to get every member of the cast in place before the curtain went up

merriam-webster

etymology

late 14c., frenetik, "temporarily deranged, delirious, crazed," from Old French frenetike "mad, crazy" (13c.), from Latin phreneticus"delirious," alteration of Greek phrenitikos, from phrenitis (nosos) "frenzy, mental disease, insanity," literally "inflammation of the brain," from phrÄ“n "mind, reason," also "diaphragm" (see phreno-) + -itis "inflammation." The classical ph- sometimes was restored from mid-16c. (see phrenetic). Related: Frenetical; frenetically. Compare frantic.

etymonline.com