able to move freely in all directions; "an owl's versatile toe can move backward and forward"; "an insect's versatile antennae can move up and down or laterally"; "a versatile anther of a flower moves freely in the wind"
competent in many areas and able to turn with ease from one thing to another; "a versatile writer"
changeable or inconstant; "versatile moods"
having great diversity or variety; "his various achievements are impressive"; "his vast and versatile erudition"
a murderer (especially one who kills a prominent political figure) who kills by a treacherous surprise attack and often is hired to do the deed; "his assassins were hunted down like animals"; "assassinators of kings and emperors"
a member of a secret order of Muslims (founded in the 12th century) who terrorized and killed Christian Crusaders