General Length:
* Long: This is the most basic word for length.
* Extended: This emphasizes the duration or extent of something.
* Prolonged: This suggests that something has been made longer than usual.
* Lengthy: This emphasizes the fact that something is unusually long.
* Extensive: This suggests that something covers a large area or range.
* Durable: This implies that something lasts for a long time.
Time:
* Durable: This implies that something lasts for a long time.
* Eternal: This refers to something that lasts forever.
* Perpetual: This suggests that something continues without end.
* Indefinite: This refers to something that has no set end.
Other meanings:
* Tall: This refers to height.
* Lanky: This refers to someone who is tall and thin.
* Slender: This refers to something that is thin and elegant.
* Broad: This refers to width.
* Wide: This refers to distance from side to side.
The best word to use will depend on the specific context. For example, if you are talking about the length of a piece of string, you might use the word "long." If you are talking about the duration of a movie, you might use the word "lengthy."