noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A policy of cooperation. uncountable
2. 2
   The belief that the remaining slave states (after South Carolina's secession from the Union) should secede at once and simultaneously, to impress the federal government with seriousness of the their resolve. historical, uncountable

Etymology

From cooperation + -ism.

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