Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun fruitcake

2 senses of fruitcake

Sense 1
crackpot, crank, nut, nut case, fruitcake, screwball -- (a whimsically eccentric person)
       => eccentric, eccentric person, flake, oddball, geek -- (a person with an unusual or odd personality)

Sense 2
fruitcake -- (a rich cake containing dried fruit and nuts and citrus peel and so on)
       => cake -- (baked goods made from or based on a mixture of flour, sugar, eggs, and fat)