simple past tense and past participle of rank

The quality of being rank, of having a repulsive or pungent odor. / Exuberant or uncontrolled growth. / (obsolete) Exuberance, excessiveness. / (obsolete) Insolence.

plural of ranke

plural of rankness

to place someone or something in higher or lower position relative to others

present participle of de-rank

(Canada, colloquial) The practice of setting a secretary's pay in proportion to the status of the person the secretary works for.

Of the highest rank

At an important, elevated, or exalted level in a hierarchy or organization; high-level.

(military) To march or charge out of the designated order in a military unit. / (idiomatic) To publicly disagree with one's own group or organization.