noun
A person or animal that runs away or has run away; a person, animal, or organization that escapes captivity or restrictions.
Runaways are vulnerable to criminal exploitation.
Thou runaway, thou coward, art thou fled?
A vehicle (especially, a train) that is out of control.
On New Year's Day, 1850, a catastrophe, which it is fearful to contemplate, was averted by the aid of the telegraph. A collision had occurred to an empty train at Gravesend; and the driver having leaped from his engine, the latter started alone at full speed to London. Notice was immediately given by telegraph to London and other stations; and while the line was kept clear, an engine and other arrangements were prepared as a buttress to receive the runaway.
Runaways are rendered impossible, as the machine can be instantly stopped by means of a double brake connected with the driver's seat
An object or process that is out of control or out of equilibrium.
On the chart, the start of a runaway is marked by a box
An IS executive's worst nightmare, such runaways are a fact of life. Practically all large companies and organizations have experienced a runaway or are wrestling with a seriously botched project.
The act of running away, especially of a horse or teams.
The drivers were generally boys […] They would stop the team when other boats passed and at locks while waiting for the water to rise or fall. They could also be useful in preventing or stopping runaways. Horses were easily startled and might bolt off the tow path or into the canal itself.
An overwhelming victory.
The home side won in a runaway.
adj
Having run away; escaped; fugitive; fleeting.
a runaway thief
Having run away; escaped; fugitive; fleeting.
a runaway donkey
Having run away; escaped; fugitive; fleeting.
a runaway marriage
Easily won, as a contest.
a runaway victory at the polls
Accelerating out of control.
a runaway train
a runaway greenhouse effect