|the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).|
|(used as a nonsense word by children to express approval or to represent the longest word in English.)|
hallucinatory hal·lu·ci·na·to·ry (hə-l&oomacr;'sə-nə-tôr'ē)
Of or characterized by hallucination.
Inducing or causing hallucination.