- One who, or that which, flees from danger, duty, restraint, etc.; a fugitive.
- The act of running away, esp. of a horse or teams; as, there was a runaway yesterday.
- Running away; fleeing from danger, duty, restraint, etc.; as, runaway soldiers; a runaway horse.
- Accomplished by running away or elopement, or during flight; as, a runaway marriage.
- Won by a long lead; as, a runaway victory.
- Very successful; accomplishing success quickly; as, a runaway bestseller.