adj won by a long lead; as, a runaway victory.
2. runaway ·adj very successful; accomplishing success quickly; as, a runaway bestseller.
3. runaway ·noun one who, or that which, flees from danger, duty, restraint, ·etc.; a fugitive.
4. runaway ·adj accomplished by running away or elopement, or during flight; as, a runaway marriage.
5. runaway ·noun the act of running away, ·esp. of a horse or teams; as, there was a runaway yesterday.
6. runaway ·adj running away; fleeing from danger, duty, restraint, ·etc.; as, runaway soldiers; a runaway horse.