Synonyms:
* Heat: This is a common synonym, often used interchangeably with temperature, especially when referring to high temperatures.
* Warmth: This is more specific to a pleasant level of heat.
* Hotness: This refers to a high degree of heat.
* Coldness: This is the opposite of heat or warmth.
* Degree: This is a more technical term for temperature, often used in scientific contexts.
Antonyms:
* Cold: This is the most common antonym for temperature, referring to a lack of heat.
* Freezing: This refers to a very low temperature, typically below the freezing point of water.
It's important to note that the best synonym or antonym will depend on the context in which you are using the word "temperature."