It is a turning to flee. It is imperative to flee. It is order escape, leave, get away, escape, slipping, leave, leave, disappear is.
As an additive to the above by V.M., say that its synonym is escape, whose meaning is run out, usually before the existence of a danger or imminent risk.
flees: verbal form in the conjugation of the verb flee in the Spanish language, for the third person singular number nominal, pronominal and tacit in both genders. example: Juan flees, he flees, Juana flees, she flees, runs away...!