General Negation:
* Awful: This is a strong and direct opposite, expressing something extremely unpleasant.
* Terrible: Similar to "awful," this emphasizes a negative experience.
* Dreadful: This suggests something causing fear or disgust.
Specific Opposites:
* Horrible: This is used when something is very bad or unpleasant.
* Miserable: This suggests a state of unhappiness or discomfort.
* Disastrous: This implies a complete failure or a very bad outcome.
* Appalling: This suggests something that is shockingly bad or unpleasant.
* Ordinary: This is the opposite in terms of being exceptional or outstanding.
* Mediocre: This suggests something that is average or below average.
Antonyms Based on Emotion:
* Depressing: This suggests something that makes you feel sad or discouraged.
* Boring: This suggests something lacking in interest or excitement.
* Unpleasant: This suggests something that is not enjoyable or agreeable.
* Unhappy: This suggests a state of sadness or dissatisfaction.
The best opposite for "wonderful" will depend on the specific context and the nuance you wish to convey.