| forest
| noun
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| a very large area of trees.
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| forget
| verb
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| to not remember something.
| I forgot my sister’s birthday.
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| forgive
| verb
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| to stop blaming or being angry with someone for something they said or did.
| I forgave my brother for losing my favorite CD.
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| fork
| noun
| v1
| a tool with two or more narrow spikes that is used for lifting things.
| table fork
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| forward
| adverb
| v1
| moving toward the front.
| He fell forward onto his hands.
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| fossil
| noun
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| the remains or print of a plant or animal that died many years ago.
| Fossils are found preserved in rocks.
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| foster
| verb
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| to give a home for a period of time to a child who comes from another family.
| They have fostered three children in the past two years.
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| fought
| verb
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| to fight
| The team fought back, but in the end they lost the game.
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| found
| verb
| v1
| to find
| She found her wallet this morning.
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| fountain
| noun
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| a statue or structure that sprays water up into the air.
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| fox
| noun
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| a mammal that belongs to the dog family and lives in the countryside and in towns. Foxes eat small animals, birds, and scraps from garbage cans.
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| fraction
| noun
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| a number that is part of a whole number.
| One-third is a fraction.
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| fracture
| verb
| v1
| to break.
| The X-ray showed where the bone had fractured.
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| fragile
| adjective
| v1
| delicate and easily broken.
| fragile coral
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| frame
| noun
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| a structure that surrounds the edge of something, holding it in place.
| A picture frame.
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| frantic
| adjective
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| very upset and excited, because of fear, worry, or pain.
| The frantic animal tried to escape from its cage.
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| freckle
| noun
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| a small, light brown spot on the skin.
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| free
| adjective
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| costing no money
| Please accept this free gift.
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| freedom
| noun
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| being free.
| The freedom to do as you like.
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| freeze
| verb
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| to reach such a low, cold temperature that a liquid becomes a solid.
| The lake froze in winter.
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| freezer
| noun
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| a machine that freezes food so that it can be stored for a long time without spoiling.
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| freight
| noun
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| goods that are carried by road, rail, sea, or air.
| freight train
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| frequent
| adjective
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| happening often.
| There is a frequent train service to the city.
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| fresh
| adjective
| v1
| new, not stale or preserved.
| fresh parsley
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| friend
| noun
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| someone whom you like and who likes you.
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| frighten
| verb
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| to make someone feel afraid.
| She was always trying to frighten her brother.
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| fringe
| noun
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| a border made up of loose, hanging pieces of material or thread.
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| frog
| noun
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| an amphibian with no tail that lives in or near water. Frogs eat spiders, worms, small fish, and insects. They begin life as fishlike tadpoles.
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| front
| noun
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| the part of something that faces forward.
| front of a truck
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| frontier
| noun
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| the border between two regions or countries, especially if one of them is wild and unknown.
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