General terms:
* Attempt: This is a neutral term that simply means to try to do something.
* Try: This is a synonym for attempt, and is often used in everyday language.
* Endeavor: This is a more formal term, and suggests a serious and determined effort.
* Strive: This word implies a great deal of effort and determination.
Terms emphasizing effort:
* Hustle: This implies a quick and energetic effort.
* Push: This suggests that you are putting a lot of effort into something.
* Grind: This means to work hard and persistently.
* Slog: This implies that you are working hard despite difficulties.
Terms emphasizing intention:
* Aim: This suggests that you are trying to achieve a specific goal.
* Aspire: This means to have a strong desire to achieve something.
* Seek: This implies that you are actively looking for something.
* Pursue: This means to follow something actively and persistently.
Other terms:
* Venture: This suggests that you are taking a risk.
* Experiment: This implies that you are trying something out to see if it works.
* Explore: This means to investigate something in detail.
The best word to use will depend on the specific situation. For example, if you are talking about a scientist trying to develop a new vaccine, you might say "They are endeavoring to develop a new vaccine." But if you are talking about a friend trying to learn how to play guitar, you might say "They are trying to learn how to play guitar."