Strong's #7451: ra` (pronounced rah)
 from 7489; bad or (as noun) evil (natural or moral):-- adversity, affliction, bad, calamity, + displease(-ure), distress, evil((- favouredness), man, thing), + exceedingly, X great, grief(-vous), harm, heavy, hurt(-ful), ill (favoured), + mark, mischief(-vous), misery, naught(-ty), noisome, + not please, sad(-ly), sore, sorrow, trouble, vex, wicked(-ly, -ness, one), worse(-st), wretchedness, wrong. (Incl. feminine raaah; as adjective or noun.).
Brown-Driver-Briggs Hebrew Lexicon:
 / 
  ra‛ / râ‛âh 
 
 1) bad, evil (adjective)
 
 1a) bad, disagreeable, malignant
 1b) bad, unpleasant, evil (giving pain, unhappiness, misery)
 1c) evil, displeasing
 1d) bad (of its kind - land, water, etc)
 1e) bad (of value)
 1f) worse than, worst (comparison)
 1g) sad, unhappy
 1h) evil (hurtful)
 1i) bad, unkind (vicious in disposition)
 1j) bad, evil, wicked (ethically)
 
 1j1) in general, of persons, of thoughts
 1j2) deeds, actions
 
 2) evil, distress, misery, injury, calamity (noun masculine)
 
 2a) evil, distress, adversity
 2b) evil, injury, wrong
 2c) evil (ethical)
 
 3) evil, misery, distress, injury (noun feminine)
 
 3a) evil, misery, distress
 3b) evil, injury, wrong
 3c) evil (ethical)
 
  Part of Speech: see above in Definition
Relation: from H7489
  Same Word by TWOT Number:  2191a, 2191c
Usage:
This word is used 668 times:
Judges 3:7: "of Israel did  evil in the sight of the LORD, and forgot"
Judges 3:12: "And the children of Israel did  evil again in the sight of the LORD: and the LORD"
Judges 3:12: "because they had done  evil in the sight of the LORD."
Judges 4:1: "of Israel again did  evil in the sight of the LORD, when Ehud was dead."
Judges 4:21: "him, and smote the nail  into his temples, and fastened it into the ground: for he was fast asleep"
Judges 4:22: "lay dead, and the nail  was in his temples."
Judges 5:26: "his head, when she had pierced and stricken through  his temples."
Judges 6:1: "And the children of Israel did  evil in the sight of the LORD: and the LORD delivered"
Judges 9:23: "Then God sent  an evil spirit between Abimelech and the men of Shechem;"
Judges 9:56: "Thus God rendered  the wickedness of Abimelech, which he did unto his father,"
Judges 9:57: "And all  the evil of the men of Shechem did God render upon their heads: and upon"
Judges 10:6: "And the children of Israel did  evil again in the sight of the LORD, and served"
Judges 11:27: "sinned against thee, but thou doest  me wrong to war against me: the LORD the Judge be judge"
Judges 13:1: "And the children of Israel did  evil again in the sight of the LORD; and the LORD"
Judges 15:3: "than the Philistines, though I do  them a displeasure."
Judges 20:3: "us, how was this  wickedness?"
Judges 20:12: "of Benjamin, saying, What  wickedness is this that is done"
Judges 20:13: "are in Gibeah, that we may put them to death, and put away  evil from Israel. But the children of Benjamin"
Judges 20:34: "was sore: but they knew not that  evil was near"
Judges 20:41: "for they saw that  evil was come upon"
1 Samuel 2:23: "I hear of  your evil dealings by all"
1 Samuel 6:9: "us this great  evil: but if not, then we shall know that"
1 Samuel 10:19: "himself saved you out of all  your adversities and your tribulations; and ye have said unto him, Nay, but"
1 Samuel 12:17: "that ye may perceive and see that  your wickedness is great, which ye have done in the sight"
1 Samuel 12:19: "unto all our sins  this evil, to ask us a king."
1 Samuel 12:20: "all this  wickedness: yet turn not aside from following"
1 Samuel 15:19: "upon the spoil, and didst  evil in the sight of the LORD?"
1 Samuel 16:14: "departed from Saul,  and an evil spirit from"
1 Samuel 16:15: "unto him, Behold now,  an evil spirit from God troubleth"
1 Samuel 16:16: "on a harp: and it shall come to pass, when  the evil spirit from God is upon thee, that he shall play"
1 Samuel 16:23: "so Saul was refreshed, and was well,  and the evil spirit departed from"
1 Samuel 18:10: "And it came to pass on the morrow,  that the evil spirit from God came upon"
1 Samuel 19:9: " And the evil spirit from the LORD was upon Saul, as he sat"
1 Samuel 20:7: "he be very wroth, then be sure that  evil is determined by"
1 Samuel 20:9: "if I knew certainly that  evil were determined by"
1 Samuel 20:13: "it please my father to do thee  evil, then I will show it thee,"
1 Samuel 23:9: "that Saul secretly practiced  mischief against him; and he said to Abiathar"
1 Samuel 24:9: "Behold, David seeketh  thy hurt?"
1 Samuel 24:11: "thou and see that there is neither  evil nor transgression in mine hand, and I have not sinned"
1 Samuel 24:17: "me good, whereas I have rewarded  thee evil."
1 Samuel 25:3: "countenance: but the man was churlish  and evil in his doings; and he was of the house of Caleb."
1 Samuel 25:17: "what thou wilt do; for  evil is determined against our master, and against"
1 Samuel 25:21: "was missed of all that pertained unto him: and he hath requited  me evil for good."
1 Samuel 25:26: "thyself with thine own hand, now let thine enemies, and they that seek  evil to my lord, be"
1 Samuel 25:28: "my lord fighteth the battles of the LORD,  and evil hath not been found in thee all thy days."
1 Samuel 25:39: "from the hand of Nabal, and hath kept his servant  from evil: for the LORD hath returned"
1 Samuel 25:39: "his servant from evil: for the LORD hath returned  the wickedness of Nabal upon his own head."
1 Samuel 26:18: "what have I done? or what  evil is in mine hand?"
1 Samuel 29:6: "in my sight: for I have not found  evil in thee since the day of thy coming"
1 Samuel 29:7: "return, and go in peace,  that thou displease not the lords"