The root -flu means to flow or to move smoothly.
fluid (adj, n)
a thing that can flow, such as a liquid or gas. Something that can move like water. Water and oil are fluids. She is a fluid dancer; she moves beautifully. fluctuate (v)
to change back and forth or up and down The price of an iPad doesn’t really fluctuate. The number of students fluctuates a bit every year. influence (v)
to have an effect on something or someone My mother often influences my decisions. Poverty influences disease a lot. |
fluent (adj)
able to speak easily and well, especially another language John is fluent in Spanish. Ms. Dean isn’t fluent in Chinese yet. fluently (adv)
able to speak easily and well, especially another language My mom speaks French fluently. She reads fluently, making the story come alive. |