Oneirology

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The study of dreams and their interpretation. countable, uncountable

Etymology

From oneiro- + -logy, historically from Latin oneirologia from Ancient Greek ὄνειρος (óneiros, “dream”).

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