Forming an essential foundation or starting point; fundamental. Understanding basic math concepts is crucial for solving more complex problems.
Simple or straightforward in nature; not elaborate or complicated. The recipe is quite basic, requiring only a few ingredients.
Relating to the essential or primary characteristics of something. The basic design of the car hasn't changed much over the years.
Common or typical, often implying a lack of sophistication or originality. Her outfit was very basic, consisting of jeans and a plain white t-shirt.
Chemistry: having the properties of a base; alkaline. Ammonia is a basic compound with a high pH.