a soldier in the ranks; a private

a person or animal of a specified rank

of the 26 top-rankers in humanities, 18 are girls

a simple soil consisting of a layer of humus lying directly on an unaltered substrate such as bedrock, glacial drift, or volcanic ash

(of vegetation) growing too thickly and coarsely

clumps of rank grass

having a foul or offensive smell

breathing rank air

(especially of something bad or deficient) complete and utter (used for emphasis)

rank stupidity

a rank outsider