Open English Wordnet
Verbs
(v)break, break out, break awaymove away or escape suddenly“The horses broke from the stable”, “Three inmates broke jail”, “Nobody can break out — this prison is high security”
(v)secede, splinter, break awaywithdraw from an organization or communion“After the break up of the Soviet Union, many republics broke away”
(v)scat, run, scarper, turn tail, lam, run away, hightail it, bunk, head for the hills, take to the woods, escape, fly the coop, break awayflee; take to one's heels; cut and run“If you see this man, run!”, “The burglars escaped before the police showed up”