1. forming an essential foundation or starting point; fundamental
2. of the simplest or most elementary kind
3. lacking special features; plain or simple

1. essential facts, principles, or skills
Usage: usually plural

Examples

• Students must learn basic math skills before advancing to algebra.
• The hotel room was basic but clean and comfortable.
• She has a basic understanding of Spanish.
• The course covers the basics of computer programming.
• Basic human needs include food, water, and shelter.
• He started with basic guitar chords.
• The basic model costs less than the deluxe version.