Learn the meaning of work as a noun and a verb in English, with different senses and usage. Find out how to use work in phrases, idioms, and grammar rules. The meaning of WORK is to perform work or fulfill duties regularly for wages or salary. How to use work in a sentence. Synonym Discussion of Work. Work is physical or mental effort or activity directed toward the production or accomplishment of something. It can also refer to a trade, profession, occupation, or artistic creation. See different meanings, uses, and phrases of work. Work Work is defined as the dot product of applied force and the displacement caused due to the application of the force. It is sometimes considered as the transfer of energy to or from the system due application of force in the direction of displacement of the body. Please make note that work is not only done by displacing an object but also due to compression and elongation of the system as in the case of spring. It is a scalar quantity involving the product of two vector quantities that ...