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:
Genesis 2:9: "and the tree of knowledge of good  and evil."
Genesis 2:17: "But of the tree of the knowledge of good  and evil, thou shalt not eat of"
Genesis 3:5: "as gods, knowing good  and evil."
Genesis 3:22: "of us, to know good  and evil: and now, lest he put forth his hand,"
Genesis 6:5: "And GOD saw that  the wickedness of man was great in the earth, and that every"
Genesis 6:5: "of the thoughts of his heart was only  evil continually."
Genesis 8:21: "for the imagination of man's heart  is evil from his youth; neither"
Genesis 13:13: "But the men of Sodom  were wicked and sinners before the LORD exceedingly."
Genesis 19:19: "cannot escape to the mountain, lest  some evil take me, and I die:"
Genesis 24:50: "from the LORD: we cannot speak unto  thee bad or good."
Genesis 26:29: "That thou wilt do  us no hurt, as we have not touched thee, and as we have done"
Genesis 28:8: "that the daughters of Canaan  pleased not Isaac his father;"
Genesis 31:24: "Jacob either good or  bad."
Genesis 31:29: "in the power of my hand to do  you hurt: but the God of your father spoke unto"
Genesis 31:29: "not to Jacob either good or  bad."
Genesis 31:52: "and this pillar unto  me, for harm."
Genesis 37:2: "brought unto his father their  evil report."
Genesis 37:20: "him into some pit, and we will say,  Some evil beast hath devoured him: and we shall see what"
Genesis 37:33: "it, and said, It is my son's coat;  an evil beast hath devoured him; Joseph is without doubt rent in pieces."
Genesis 38:7: "Judah's firstborn, was  wicked in the sight of the LORD; and the LORD slew"
Genesis 39:9: "how then can I do this great  wickedness, and sin against God?"
Genesis 40:7: "saying, Wherefore look  ye so sadly today?"
Genesis 41:3: "after them out of the river,  ill favored and leanfleshed; and stood"
Genesis 41:4: " And the ill favored and leanfleshed kine did eat up the seven"
Genesis 41:19: "after them, poor and very  ill favored and leanfleshed, such"
Genesis 41:20: "And the lean  and the ill favored kine did eat up the first seven fat"
Genesis 41:21: "And when they had eaten them up, it could not be known that they had eaten"
Genesis 41:27: "And the seven thin  and ill favored kine that came up after them are seven years;"
Genesis 44:4: "and when thou dost overtake them, say unto them, Wherefore have ye rewarded  evil for good?"
Genesis 44:29: "befall him, ye shall bring down my gray hairs  with sorrow to the grave."
Genesis 44:34: "with me? lest peradventure I see  the evil that shall come on my father."
Genesis 47:9: "and thirty years: few  and evil have the days of the years of my life been,"
Genesis 48:16: "The Angel which redeemed me from all  evil, bless the lads;"
Genesis 50:15: "us, and will certainly requite us all  the evil which we did"
Genesis 50:17: "and their sin; for they did  unto thee evil: and now, we pray thee, forgive the trespass"
Genesis 50:20: "But as for you, ye thought  evil against me; but God meant it unto good, to"
Exodus 5:19: "of the children of Israel did see  that they were in evil case, after it was said, Ye shall not minish aught from your bricks"
Exodus 10:10: "and your little ones: look to it; for  evil is before"
Exodus 21:8: "If  she please not her master, who hath betrothed her to himself, then shall he let her be redeemed:"
Exodus 23:2: "Thou shalt not follow a multitude  to do evil; neither shalt thou speak in"
Exodus 32:12: "should the Egyptians speak, and say,  For mischief did he bring them out, to slay them in the mountains, and to consume"
Exodus 32:12: "Turn from thy fierce wrath, and repent of  this evil against thy people."
Exodus 32:14: "And the LORD repented of  the evil which he thought to do unto his people."
Exodus 32:22: "the people, that they  are set on mischief."
Exodus 33:4: "heard these  evil tidings, they mourned: and no man"
Leviticus 26:6: "and none shall make you afraid: and I will rid  evil beasts out of the land, neither"
Leviticus 27:10: "it, nor change it, a good  for a bad, or a bad for a good: and if"
Leviticus 27:10: "it, a good for a bad, or  a bad for a good: and if he shall at all change"
Leviticus 27:12: "shall value it, whether it be good  or bad: as thou valuest it, who art the priest, so shall it be."
Leviticus 27:14: "shall estimate it, whether it be good  or bad: as the priest shall estimate it, so"