Strong's #7854: satan (pronounced saw-tawn')
 from 7853; an opponent; especially (with the article prefixed) Satan, the arch-enemy of good:--adversary, Satan, withstand.
Brown-Driver-Briggs Hebrew Lexicon:
 ׂ 
  śâṭân 
 
 1) adversary, one who withstands
 
 1a) adversary (in general - personal or national)
 
 2) superhuman adversary
 
 2a) Satan (as noun proper)
 
  Part of Speech: noun masculine
Relation: from H7853
Usage:
This word is used 27 times:
Numbers 22:22: "of the LORD stood in the way  for an adversary against him. Now he was riding upon his ass,"
Numbers 22:32: "times? behold, I went out  to withstand thee, because thy way is perverse"
1 Samuel 29:4: "go down with us to battle, lest in the battle he be  an adversary to us: for wherewith"
2 Samuel 19:22: "that ye should this day be  adversaries unto me? shall there any man be put to death this day in Israel?"
1 Kings 5:4: "hath given me rest on every side, so that there is neither  adversary nor evil occurrent."
1 Kings 11:14: "And the LORD stirred up  an adversary unto Solomon, Hadad the Edomite: he"
1 Kings 11:23: "And God stirred him up  another adversary, Rezon the son of Eliadah, which"
1 Kings 11:25: "And he was  an adversary to Israel all the days of Solomon, beside the mischief"
1 Chronicles 21:1: " And Satan stood up against Israel, and provoked David to number"
Job 1:6: "to present themselves before the LORD,  and Satan came also among"
Job 1:7: "And the LORD said unto  Satan, Whence comest thou? Then Satan"
Job 1:7: "Satan, Whence comest  thou? Then Satan answered the LORD,"
Job 1:8: "And the LORD said unto  Satan, Hast thou considered my servant"
Job 1:9: " Then Satan answered the LORD, and said, Doth Job fear God"
Job 1:12: "And the LORD said unto  Satan, Behold, all that he hath is in thy power;"
Job 1:12: "upon himself put not forth thine hand.  So Satan went forth from"
Job 2:1: "to present themselves before the LORD,  and Satan came also among them to present himself"
Job 2:2: "And the LORD said unto  Satan, From whence comest"
Job 2:2: "Satan, From whence comest  thou? And Satan answered"
Job 2:3: "And the LORD said unto  Satan, Hast thou considered my servant"
Job 2:4: " And Satan answered the LORD, and said, Skin for skin,"
Job 2:6: "And the LORD said unto  Satan, Behold, he is in thine hand; but save"
Job 2:7: " So went Satan forth from the presence of the LORD, and smote"
Psalms 109:6: "Set thou a wicked man over  him: and let Satan stand at his right hand."
Zechariah 3:1: "before the angel of the LORD,  and Satan standing at his right hand to resist"
Zechariah 3:2: "And the LORD said unto  Satan, The LORD rebuke thee, O Satan; even the LORD"
Zechariah 3:2: "Satan, The LORD rebuke  thee, O Satan; even the LORD that hath chosen Jerusalem rebuke"