adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of uncertain origin, either introduced or native to its area. not-comparable
2. 2
   Presumed but not proven to be caused by an abnormality in a particular part of the brain (contrasts with symptomatic and idiopathic). not-comparable
3. 3
   Of uncertain cause. not-comparable

Synonyms

All synonyms

idiopathic

Etymology

From crypto- + -genic.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.