Strong's Number G4190

poneros{pon-ay-ros'}

from a derivative of 4192

6:546,912

adjective

hurtful, i.e. evil (properly, in effect or influence, and thus differing from G2556 (κακός), which refers rather to essential character, as well as from G4550 (σαπρός), which indicates degeneracy from original virtue); figuratively, calamitous; also (passively) ill, i.e. diseased; but especially (morally) culpable, i.e. derelict, vicious, facinorous; neuter (singular) mischief, malice, or (plural) guilt; masculine (singular) the devil, or (plural) sinners

evil 51, wicked 13, wicked one 4, evil things 2, misc 7

Total: 76
Occurs 78 times in the Greek text.

1. full of labours, annoyances, hardships
   1. pressed and harassed by labours
   2. bringing toils, annoyances, perils; of a time full of peril to Christian faith and steadfastness; causing pain and trouble
2. bad, of a bad nature or condition
   1. in a physical sense: diseased or blind
   2. in an ethical sense: evil wicked, bad

The word is used in the nominative case in Mt. 6:13. This usually denotes a title in the Greek. Hence Christ is saying, deliver us from "The Evil", and is probably referring to Satan.