Meaning of idiosyncratical in English:

idiosyncratical

Pronunciation /ˌɪdɪə(ʊ)sɪŋˈkratɪkl/

adjective

(also ideosyncratical)
rare
  • Idiosyncratic.

Origin

Late 17th century; earliest use found in Everard Maynwaring (b. ?1628), physician. From idio- + Hellenistic Greek συγκρατικός + -al, after idiosyncrasy. Earlier currency is perhaps implied by idiosyncratically.