| Noun | 1. | logjam - any stoppage attributable to unusual activity; "the legislation ran into a logjam"halt, stoppage, arrest, hitch, stay, stop, check - the state of inactivity following an interruption; "the negotiations were in arrest"; "held them in check"; "during the halt he got some lunch"; "the momentary stay enabled him to escape the blow"; "he spent the entire stop in his seat" | |