grow
v.v. to become bigger or taller over time. You also use it when you take care of plants or when a business gets more successful.
v. to increase in size, number, or maturity through a natural process of development. Can be used intransitively for natural development or transitively when referring to the cultivation of plants.
Children grow very quickly during their first few years.
The local farmer decided to grow organic tomatoes to sell at the weekend market.
Economists predict that the emerging market will grow significantly over the next decade as infrastructure improvements attract more international investment.
The verb is both transitive (to cultivate something) and intransitive (to increase in size).
The company is growing up fast.The company is growing fast.The phrasal verb 'grow up' is used only for children becoming adults; for businesses or amounts, use 'grow' alone.