1. Inferior
2. Poor
3. Unfavorable
4. Detrimental
5. Unsatisfactory
6. Unacceptable
7. Substandard
8. Deficient
9. Unsuitable
10. Unwholesome
11. Noxious
12. Perilous
13. Deplorable
14. Abominable
15. Awful
16. Unsavory
17. Faulty
18. Unfit
19. Rotten
20. Woeful
21. Opprobrious
22. Baleful
23. Hurtful
24. Reprehensible
25. Sinister
26. Culpable
27. Blameworthy
28. Disreputable
29. Vicious
30. Detestable

Finding the right words to express yourself can be difficult, but it is important to choose the right words to get your message across. Synonyms for “bad” can help you find the best words to express negative ideas. Other words for “bad” include inferior, poor, unfavorable, detrimental, unsatisfactory, unacceptable, substandard, deficient, unsuitable, unwholesome, noxious, perilous, deplorable, abominable, awful, unsavory, faulty, unfit, rotten, woeful, opprobrious, baleful, hurtful, reprehensible, sinister, culpable, blameworthy, disreputable, vicious, and detestable. These words can help you express yourself in a more accurate and precise manner. Whether you are writing a paper or having a conversation, having a list of synonyms for “bad” can help you find the best words to express your ideas.