Definitions

1. adjective

having an excessive or affected fondness for something, especially for something that is considered obscure or unusual

“The book collector’s quirks were quite quisquous, as he spent his entire inheritance on rare volumes.”

2. noun

a person who has an excessive or affected fondness for something, especially for something that is considered obscure or unusual

“The literary circle was filled with quisquous individuals who only read rare, out-of-print novels.”