intransitive. Of an army or body of people (or their leader): to go forward, march, advance. Occasionally: to quit one's position. Also with up.

intransitive. To walk in a military manner with regular and measured tread. Of a body of men or troops: to walk in step and in time with a…

intransitive. To march back; to march again.

intransitive. To march in a contrary direction; to march back.

intransitive. To cover (a distance).

intransitive. To march with heavy equipment over difficult terrain. Also figurative.

(intransitive) = yomp, v. 1.