spooktacular in English dictionary spooktacular Meanings and definitions of "spooktacular" (slang) Spooky and spectacular; wonderfully frightening. adjective (slang) Spooky and spectacular; wonderfully frightening. more Grammar and declension of spooktacular spooktacular ( comparative more spooktacular, superlative most spooktacular) spooktacular (comparative more spooktacular, superlative most spooktacular) more Sample sentences with "spooktacular" Declension Stem Try again Authors