Breadcrumb Home > Thesaurus > C Synonyms of congest Find synonyms for: Verb 1. clog, choke off, clog up, back up, congest, choke, foul, obstruct, obturate, impede, occlude, jam, block, close up usage: become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of congest (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: mantra Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language