Congested/kənˈdʒestɪd/ Definition 1 of 3Pro Tip 1/3Peak Times Use 'congested' to describe heavy traffic during the busiest hours of the day. Avoid the highway at 6 PM; it's always congested. Pro Tip 2/3Beyond Traffic 'Congested' applies to overfull places too, not just roads. The concert hall was so congested we could hardly move. Pro Tip 3/3Negative Connotation Using 'congested' often suggests inconvenience or frustration. We were late due to the congested city center.