Abominations

The following is a list of things the Bible considers an abomination:

• Unclean things (Lev. 7:21)
• Customs of pagans (Lev. 18:30)
• Idols (2 Chr. 15:8; 1 Pet. 4:3)
• Sins of men (Ps. 14:1; 53:1)
• Cheating (Mic. 6:10)
• Lost souls (Rev. 21:8)
• A froward man (perverse; one who turns aside (Pro. 3:32; 11:20)
• A proud look (Pro. 6:16-17)
• A lying tongue (Pro. 6:17; 12:22)
• Hands that shed innocent blood ((Pro. 6:17)
• A wicked scheming heart (Pro. 6:18)
• Feet that are quick to sin (Pro. 6:18)
• A false witness that speaks lies (Pro. 6:19)
• A sower of discord (Pro. 6:19)
• Wickedness (Pro. 8:7)
• A false balance or scale (Pro. 11:1)
• Sacrifices of the wicked (Pro. 15:8; 21:27)
• The way of the wicked (Pro. 15:9)
• The thoughts of the wicked (Pro. 15:26)
• The proud of heart (Pro. 16:5)
• Justifying the wicked (Pro. 17:15)
• Condemning the just (Pro. 17:15)
• Divers, dishonest weights (Pro. 20:10, 23)
• Divers, dishonest measures (Pro. 20:10)
• Refusing to hear the law (Pro. 28:9)
• Prayers of the rebel (Pro. 28:9)
• Eating flesh of peace offerings on the 3rd day (Lev. 7:18)
• Some same sex acts (Lev. 18:22; 20:13; Dt. 23:18) 
• Taking ornaments from idols when being destroyed (Dt. 7:25-26)
• Any Idolatrous practices (Dt. 12:31; 13:14; 17:4; 18:9; 20:18; 29:17)
• Offering an imperfect animal to God as a sacrifice (Dt. 17:1)
• Any traffic with demons (Dt. 18:7-12)
• Wearing clothes of the opposite sex (Dt. 22:5) 
• Bringing the hire of a harlot or sodomite into God's house (Dt. 23:18)
• Re-marriage of former companions (Dt. 24:1-4)
• Cheating others (Dt. 25:13-16)
• Making images/idols (Dt. 27:15)
• Idols of Ammon (1 Ki. 11:5)
• Idols of Moab (1 Ki. 11:7; 2 Ki. 11:13)
• Idols of Zidon (2 Ki. 23:13)
• Incense offered by hypocrites (Isa. 1:13)
• Eating unclean things (Isa. 66:17)
• Offering human sacrifices (Jer. 32:35)
• Robbery (Ezek. 18: 6-13)
• Murder (Ezek. 18: 6-13)
• Adultery (Ezek. 18: 6-13)
• Oppression of others, particularly the poor or vulnerable (Ezek. 18: 6-13)
• Violence (Ezek. 18: 6-13)
• Breaking vows (Ezek. 18: 6-13)
• Lending with interest to a brother (Ezek. 18: 6-13)
• Lying with a menstruous woman (Ezek. 18: 6-13)
• Hardness of heart (Ezek. 18: 6-13)
• Injustice (Ezek. 18: 6-13)
• Worship of anti-Christ (Dan. 11:31; 12:11; Mt. 24:15; 2 Th. 2:4; Rev. 13)
• Incest (Lev. 19: 6-30)
• Things highly esteemed by man (Lk. 16:15)
• Many other sins of the nations (Lev. 18: 26-29; Dt. 18: 9-12; 20:18; 29:17; 1 Ki. 14:24; 21:2, 11; 23:24; 2 Chr. 28:3; 33:2; 34:33; 36:14; Ezek. 7: 3-20; 8: 6-17; 16: 2-58; 20: 4-30; Rev. 17: 4-5)