[ nee-oh-ahy-suh-ley-shuh-niz-uh m ]
/ ˌni oʊˌaɪ səˈleɪ ʃəˌnɪz əm /

noun (in U.S. politics)

a revival of isolationism arising from increased anti-Soviet and anti-European sentiment and a reluctance to involve the nation in further political and military commitments abroad.

Origin of neoisolationism

First recorded in 1950–55; neo- + isolationism

Related forms

ne·o·i·so·la·tion·ist, adjective, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019