All first principle synonyms
first prin·ci·ple
F f noun first principle
- fundamentals — serving as, or being an essential part of, a foundation or basis; basic; underlying: fundamental principles; the fundamental structure.
- foundation — the basis or groundwork of anything: the moral foundation of both society and religion.
- basics — The basics of something are its simplest, most important elements, ideas, or principles, in contrast to more complicated or detailed ones.
- heart — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
- nitty-gritty — the essential substance or details of a matter; basics; crux: Let's skip the chitchat and get down to the nitty-gritty.
- guts — the alimentary canal, especially between the pylorus and the anus, or some portion of it. Compare foregut, midgut, hindgut.
- principles — an accepted or professed rule of action or conduct: a person of good moral principles.