flee 
(flē)
(flē)v. fled (flĕd), flee·ing, flees
v.intr.
1. To run away, as from trouble or danger: fled from the house into the night.
2. To pass swiftly away; vanish: "of time fleeing beneath him" (William Faulkner).
v.tr.
To run away from: flee the scene of an accident.
[Middle English flen, from Old English flēon; see pleu- in the Appendix of Indo-European roots.]
fleer n.