tar

Universal Words noun, verb noun [U] 1 a thick black sticky liquid that becomes hard when cold. Tar is obtained from coal and is used especially in making roads. 2 a substance similar to tar that is formed by burning tobacco: low-tar cigarettes verb (-rr-) [VN] to cover sth with tar: a tarred road / roof IDIOMS tar and feather sb to put tar on sb then cover them with feathers, as a punishment be tarred with the same brush (as sb) to be thought to have the same faults, etc. as sb else