'Perfect' in the Bible

There was a man in the land of Uz whose name was Job; and this man was perfect and upright, and one that feared God and abstained from evil.

And Jehovah said to Satan, Hast thou considered my servant Job, that there is none like him on the earth, a perfect and an upright man, one that feareth God and abstaineth from evil?

And Jehovah said to Satan, Hast thou considered my servant Job, that there is none like him on the earth, a perfect and an upright man, one that feareth God and abstaineth from evil? and still he remaineth firm in his integrity, though thou movedst me against him, to swallow him up without cause.

Behold, God will not cast off a perfect man, neither will he take evil-doers by the hand.

If I justified myself, mine own mouth would condemn me; were I perfect, he would prove me perverse.

Were I perfect, yet would I not know my soul: I would despise my life.

It is all one; therefore I said, he destroyeth the perfect and the wicked.

Is it any pleasure to the Almighty if thou art righteous? And is it gain to him that thou makest thy ways perfect?

For truly my words shall be no falsehood: one perfect in knowledge is with thee.

Dost thou know about the balancings of the clouds, the wondrous works of him that is perfect in knowledge?