Master the word " FUNDAMENTAL " in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource. Fundamental definition: serving as, or being an essential part of, a foundation or basis; basic; underlying.. See examples of FUNDAMENTAL used in a sentence. 1. Understanding basic arithmetic is fundamental to solving complex mathematical problems. 2. The fundamental principles of physics govern the behavior of matter and energy. 3. Respect for others' opinions is a fundamental aspect of a healthy debate. 4. The alphabet is the fundamental basis for learning to read and write. 5. Developing good study habits is fundamental for academic success. 6. Honesty is a fundamental value in building trust and integrity. When asked what the fundamental , or essential, principles of life are, a teenager might reply, "Breathe. Be a good friend. Eat chocolate. Get gas money."
