What is an antonym of the word happy?

There are many antonyms for "happy," depending on the specific context. Here are a few options:

General Antonyms:

* Sad

* Unhappy

* Depressed

* Miserable

* Gloomy

* Melancholy

More Specific Antonyms:

* Angry (if the context is about emotions)

* Frustrated (if the context is about a situation)

* Disappointed (if the context is about unmet expectations)

* Worried (if the context is about anxiety)

* Fearful (if the context is about fear)

* Grief-stricken (if the context is about sorrow)

The best antonym for "happy" will depend on the specific situation and the nuance you want to convey.