the doctrine that the first person of the Holy Trinity is superior to the second, and the second superior to the third.
Origin of subordinationism
1835–45; subordination + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
either of two interpretations of the doctrine of the Trinity, often regarded as heretical, according to which the Son is subordinate to the Father or the Holy Ghost is subordinate to both
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012