Concepts 

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4906 total
name POS version def example status simulations
frost noun tiny ice crystals that form on surfaces outside in very cold weather.
frown verb to pull your eyebrows together and wrinkle your forehead to show that you are not happy about something.
frozen adjective preserved by being kept very cold. frozen peas
fruit noun the part of a plant that contains the seeds. Many fruits are edible.
frustrate verb to upset someone by keeping them from doing something they want to do. It was frustrating that the last tickets for the concert had already been sold.
fry verb to cook something in hot oil. frying pan
fuel noun something that is burned to give heat or power. Wood, coal, and gasoline are types of fuel.
full adjective v1 without space for any more. This box is full of beads.
fumes noun smoke or gas that is often strong-smelling and unpleasant. Some fumes are poisonous. Exhaust fumes.
fun noun an enjoyable activity The treasure hunt was lots of fun.
fund noun an amount of money collected for a special reason. The church has started a fund to repair the roof
funeral noun a formal occasion during which the body of someone who has died is buried or burned.
fungus noun a plant with no flowers or leaves. Fungus grows in damp places and has seeds called spores.
funnel noun v1 a tube that is wide at one end and narrow at the other. Funnels are used for pouring liquids through small openings.
funny adjective making you laugh or smile.
fur noun the soft, hairy covering that some animals have on their bodies.
furious adjective very angry. She was furious to discover that her wallet was missing.
furnace noun a device in which fuel is burned to heat buildings, or to melt metals. steel-making furnace
furniture noun chairs, beds, cupboards, and other movable things that you have in the place where you live or work.
furrow noun a groove in the ground made by a plow.
fuse noun a safety device for electrical machines that stops the current from flowing if it is too strong.
fuss verb to be more anxious than is necessary about something. Don’t fuss with my hair!
future noun the time that is to come. In the future, people might travel to Mars.
gadget noun a small, useful tool.
galaxy noun a large group of stars. The Milky Way is a galaxy.
gale noun a strong wind.
gallop verb to move in the way that a horse does when it runs as fast as it can.
gamble verb to bet money on the result of a race, game, or competition.
game noun an activity that you play for fun, or a sport. Many games have rules and a scoring system.
gang noun a group of people who do things together. A gang of road workers.