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:
Proverbs 1:33: "safely, and shall be quiet from fear  of evil."
Proverbs 2:12: "To deliver thee from the way  of the evil man, from the man that speaketh froward things;"
Proverbs 2:14: "Who rejoice to do  evil, and delight in the frowardness of the wicked;"
Proverbs 2:14: "evil, and delight in the frowardness  of the wicked;"
Proverbs 3:7: "the LORD, and depart  from evil."
Proverbs 3:29: "Devise not  evil against thy neighbor, seeing he dwelleth securely"
Proverbs 3:30: "if he have done thee no  harm."
Proverbs 4:14: "and go not in the way  of evil"
Proverbs 4:27: "nor to the left: remove thy foot  from evil."
Proverbs 5:14: "I was almost in all  evil in the midst of the congregation and assembly."
Proverbs 6:14: "Frowardness is in his heart, he deviseth  mischief continually; he soweth discord."
Proverbs 6:18: "feet that be swift in running  to mischief,"
Proverbs 6:24: "To keep  thee from the evil woman, from the flattery of the tongue of a strange woman."
Proverbs 8:13: "The fear of the LORD is to hate  evil: pride, and arrogance, and the evil way,"
Proverbs 8:13: "evil: pride, and arrogance,  and the evil way, and the froward mouth, do I hate."
Proverbs 11:15: "He that is surety for a stranger  shall smart for it: and he that hateth suretiship is sure."
Proverbs 11:19: "righteousness tendeth to life: so he that pursueth  evil pursueth it to his own death."
Proverbs 11:21: "Though hand join in hand,  the wicked shall not be unpunished: but the seed of the righteous shall be delivered."
Proverbs 11:27: "procureth favor: but he that seeketh  mischief, it shall come"
Proverbs 12:12: "The wicked desireth the net  of evil men: but the root of the righteous yieldeth"
Proverbs 12:13: " The wicked is snared by the transgression of his lips: but the just shall come out of trouble."
Proverbs 12:20: "Deceit is in the heart of them that imagine  evil: but to the counselors of peace is joy."
Proverbs 12:21: "happen to the just: but the wicked shall be filled  with mischief."
Proverbs 13:17: "A wicked messenger falleth  into mischief: but a faithful ambassador is health."
Proverbs 13:19: "but it is abomination to fools to depart  from evil."
Proverbs 13:21: " Evil pursueth sinners: but to the righteous good shall be repaid."
Proverbs 14:16: "A wise man feareth, and departeth  from evil: but the fool rageth, and is confident."
Proverbs 14:19: " The evil bow before the good; and the wicked at the gates of the righteous."
Proverbs 14:22: "Do they not err that devise  evil? but mercy and truth shall be to them that devise good."
Proverbs 14:32: "The wicked is driven away  in his wickedness: but the righteous hath hope in his death."
Proverbs 15:3: "are in every place, beholding  the evil and the good."
Proverbs 15:10: "Correction  is grievous unto him that forsaketh the way: and he that hateth reproof shall die."
Proverbs 15:15: "All the days of the afflicted  are evil: but he that is of a merry heart hath a continual feast."
Proverbs 15:26: "The thoughts  of the wicked are an abomination to the LORD: but the words of the pure are pleasant words."
Proverbs 15:28: "but the mouth of the wicked poureth out  evil things."
Proverbs 16:4: "yea, even the wicked for the day  of evil."
Proverbs 16:6: "and by the fear of the LORD men depart  from evil."
Proverbs 16:17: "The highway of the upright is to depart  from evil: he that keepeth his way preserveth"
Proverbs 16:27: "An ungodly man diggeth up  evil: and in his lips there is as a burning fire."
Proverbs 16:30: "froward things: moving his lips  he bringeth evil to pass."
Proverbs 17:11: " An evil man seeketh only rebellion: therefore a cruel messenger shall be sent"
Proverbs 17:13: "Whoso rewardeth  evil for good, evil shall not depart from his house."
Proverbs 17:13: "evil for good,  evil shall not depart from his house."
Proverbs 17:20: "and he that hath a perverse tongue falleth  into mischief."
Proverbs 19:23: "satisfied; he shall not be visited  with evil."
Proverbs 20:8: "of judgment scattereth away all  evil with his eyes."
Proverbs 20:14: " It is naught, it is naught, saith the buyer: but when he is gone his way, then he boasteth."
Proverbs 20:14: "It is naught,  it is naught, saith the buyer: but when he is gone his way, then he boasteth."
Proverbs 20:22: "Say not thou, I will recompense  evil; but wait on the LORD, and he shall save"
Proverbs 20:30: "The blueness of a wound cleanseth away  evil: so do stripes the inward parts of the belly."