Government Printing Office noun U.S. Government. the federal agency that prints and disseminates publications for other federal agencies. Abbreviation: G.P.O., GPO Liberaldictionary.com Is It Time For All Couples To Use The Term Partner? Can You Translate These Famous Phrases From Emoji? These Are the Longest Words in English These Are the Saddest Phrases in English Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019