Idiosyncratic a. : Alt. of Idiosyncratical

Example:
What seriously Idiosyncratic habit do you have?

Taxonomy
Idiosyncrasy, Disease, free encyclopedia, idiosyncratic risk, Search, substance, risk, Articles with unsourced statements, Eccentricity, reaction, enzymopathy, symptoms, behaviorism, econometrics, behavior, Psychiatry, Anaphylaxis, free dictionary.

Defination from the web:
Idiosyncratic symbols mean one thing for a particular person, as a blade could mean war, but to someone else, it could symbolize a surgery. ... In contemporary medicine (as of 2007), the term idiosyncratic drug reaction denotes a non-immunological hypersensitivity to a substance, without ...