Breadcrumb Home > Thesaurus > P Synonyms of portsmouth Find synonyms for: Noun 1. Portsmouth usage: a port city in southeastern Virginia on the Elizabeth River opposite Norfolk; naval base; shipyards 2. Portsmouth usage: a port town in southeastern New Hampshire on the Atlantic Ocean 3. Portsmouth, Pompey usage: a port city in southern England on the English Channel; Britain's major naval base WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of portsmouth (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: recherch Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language