13-Letter Words Containing: R,U,K

• To play the position of quarterback.

• (by extension) To lead a team or group; to be primarily responsible for some group project or activity.

• a reckless impetuous irresponsible person

• a bitter cress of Europe and America

• a check that restrains another check

• something that checks the correctness of a previous check

• oppose or check by a counteraction

• check a second time

• a productive insight

• making an important discovery

• a penetration of a barrier such as an enemy's defense

• A baseball pitcher known for throwing knuckleballs.

• bread made of coarse rye flour

• the execution of low priority programs while higher priority programs are not using the processing system