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:
Leviticus 27:33: "search whether it be good  or bad, neither shall he change it: and if he change it at all,"
Numbers 11:1: "And when the people complained,  it displeased the LORD: and the LORD heard it; and his anger"
Numbers 11:10: "was kindled greatly; Moses  also was displeased."
Numbers 11:15: "in thy sight; and let me not see  my wretchedness."
Numbers 13:19: "in whether it be good or  bad; and what cities they be that they"
Numbers 14:27: "How long shall I bear with this  evil congregation, which murmur against"
Numbers 14:35: "do it unto all this  evil congregation, that are gathered together against"
Numbers 14:37: "Even those men that did bring up  the evil report upon the land, died by the plague before"
Numbers 20:5: "out of Egypt, to bring us in unto this  evil place? it is no"
Numbers 24:13: "of the LORD, to do either good or  bad of mine own mind; but what"
Numbers 32:13: "all the generation, that had done  evil in the sight of the LORD, was consumed."
Numbers 35:23: "his enemy, neither sought  his harm:"
Deuteronomy 1:35: "of these men of this  evil generation see that good"
Deuteronomy 1:39: "in that day had no knowledge between good  and evil, they shall go in thither,"
Deuteronomy 4:25: "or the likeness of any thing, and shall do  evil in the sight of the LORD thy God, to provoke him to anger:"
Deuteronomy 6:22: "signs and wonders, great  and sore, upon Egypt, upon Pharaoh, and upon all his household,"
Deuteronomy 7:15: "sickness, and will put none  of the evil diseases of Egypt, which"
Deuteronomy 9:18: "which ye sinned, in doing  wickedly in the sight of the LORD, to provoke him to anger."
Deuteronomy 13:5: "the way which the LORD thy God commanded thee to walk  in. So shalt thou put the evil away"
Deuteronomy 13:11: "no more any  such wickedness as this is among"
Deuteronomy 15:21: "or blind, or have any  ill blemish, thou shalt not sacrifice it unto the LORD"
Deuteronomy 17:1: "is blemish, or any  evilfavoredness: for that is an abomination"
Deuteronomy 17:2: "that hath wrought  wickedness in the sight of the LORD thy God, in transgressing"
Deuteronomy 17:5: "have committed that  wicked thing, unto thy gates, even"
Deuteronomy 17:7: "the hands of all the people.  So thou shalt put the evil away from among"
Deuteronomy 17:12: "man shall die: and thou shalt put away  the evil from Israel."
Deuteronomy 19:19: "he had thought to have done unto his brother:  so shalt thou put the evil away from among"
Deuteronomy 19:20: "more any such  evil among"
Deuteronomy 21:21: "shall stone him with stones, that he die:  so shalt thou put evil away from among you; and all"
Deuteronomy 22:14: "occasions of speech against her, and bring up  an evil name upon her, and say, I took"
Deuteronomy 22:19: "of the damsel, because he hath brought up  an evil name upon a virgin of Israel:"
Deuteronomy 22:21: "to play the whore in her father's house:  so shalt thou put evil away from among"
Deuteronomy 22:22: "with the woman, and the woman: so shalt thou put away  evil from Israel."
Deuteronomy 22:24: "and the man, because he hath humbled his neighbor's wife:"
Deuteronomy 23:9: "thine enemies, then keep thee from every  wicked thing."
Deuteronomy 24:7: "and maketh merchandise of him, or selleth him; then that thief shall die;  and thou shalt put evil away from among"
Deuteronomy 28:35: "the knees, and in the legs,  with a sore botch that cannot"
Deuteronomy 28:59: "even great plagues, and of long continuance,  and sore sicknesses, and of long continuance."
Deuteronomy 29:21: "And the LORD shall separate  him unto evil out of all the tribes of Israel, according to all"
Deuteronomy 30:15: "life and good, and death  and evil;"
Deuteronomy 31:17: "them, and they shall be devoured, and many  evils and troubles shall befall them; so that they will say in that"
Deuteronomy 31:17: "day, Are not these  evils come upon us, because our God"
Deuteronomy 31:18: "in that day for all  the evils which they shall have wrought, in that"
Deuteronomy 31:21: "And it shall come to pass, when many  evils and troubles are befallen them, that this song"
Deuteronomy 31:29: "from the way which I have commanded  you; and evil will befall you in the latter days;"
Deuteronomy 31:29: "days; because ye will do  evil in the sight of the LORD, to provoke him to anger"
Deuteronomy 32:23: "I will heap  mischiefs upon them; I will spend mine arrows"
Joshua 23:15: "bring upon you all  evil things, until he have destroyed"
Judges 2:11: "of Israel did  evil in the sight of the LORD, and served"
Judges 2:15: "they went out, the hand of the LORD was  against them for evil, as the LORD had said,"