gum up the works

to prevent a machine or system from operating correctly The project was going really well until that software upgrade gummed up the works.

Related vocabulary: gum up something

gum up the works

to prevent a machine or system from operating correctly In bad weather, twice as many people use their cars on the road, which really gums up the works.

See be up a gum tree

Common Names:

Name	Pronounced	Usage
Romana	-	Italian, Polish, Slovene, Croatian, Czech, Slovak, Late Roman
Ermo	-	Medieval Italian
Alodia	-	History
Bjartur	-	Icelandic
KristÍN	-	Icelandic
Habibullah	-	Arabic