swingback
[swing-bak]
noun
(especially in political affairs) a return or reversion, as to previous opinion, custom, or ideology: We must fight any swingback to isolationism.
Origin of swingback
First recorded in 1860–65; noun use of verb phrase swing back
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019