noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The literary philosophy developed by the American writer H. P. Lovecraft, stating that there is no recognizable divine presence, such as God, in the universe, and that humans are particularly insignificant in the larger scheme of intergalactic existence. uncountable
2. 2
   The scientific study of the cosmos. uncountable

Etymology

From cosmic + -ism.

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