"Sufficient" is an adjective that means "enough" or "adequate." It is used to describe something that is enough to meet a need, standard, or requirement. Here are a few examples of how "sufficient" might be used in a sentence:
1. The water in the bottle is sufficient to quench my thirst.
2. The evidence provided is not sufficient to prove his innocence.
3. She has sufficient experience to handle the project on her own.
4. The funds raised are sufficient to cover the costs of the trip.
5. The information given is sufficient for us to make an informed decision.
The context in which "sufficient" is used will determine its exact meaning and the level of adequacy it implies.