13-Letter Words Containing: _ACK

• To use a jackhammer.

• To break (something) using a jackhammer.

• To form (something) using a jackhammer.

• To move like a jackhammer.

• To move (something) like a jackhammer.

• To strike (something) repeatedly with force, to pound.

• To play the position of quarterback.

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

• the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of hydrogen under high pressure in the presence of a catalyst

• an overlapping stitch made by starting the next stitch at the middle of the preceding one

• do backstitches

• The straight part of a racetrack, running track, etc., opposite the finishing line; the backstretch.

• An area next to a racetrack used to stable the racehorses and house employees.

• The middle part of an event.

• (exercise) An exercise that stretches the muscles of the back.

• anything immaterial that severely hinders or confines

• a garment similar to a jacket that is used to bind the arms tightly against the body as a means of restraining a violent person