Crackpot
WordNet
noun
(1) A whimsically eccentric person
WiktionaryText
Noun
- An eccentric, crazy or foolish person. A kook.
- Time will tell whether he is a crackpot or a genius for promoting that sort of idea.
- Someone addicted to crack cocaine (i.e. a drug addict). See also crackhead.
Synonyms
Adjective
crackpot
- Eccentric or impractical
- a crackpot idea