float [(1) to be on water without sinking; (2) to move or be moved gently on water or through air] The boat floated on top of the water. (1) The balloon rose into the air and floated away. (2)
flood [(1) to cover with water; (2) the movement of water out of a river, lake or ocean onto land] The rising waters flooded much of the town. (1) The flood began to go down when the rain stopped. (2)
floor [(1) the bottom part of a room for walking on; (2) the level of a building] The book fell to the floor. (1) The fire was on the first floor. (2)
flow [to move like a liquid] The oil flowed through the engine.
flower [the colored part of plants that carry seeds] The field was covered by blue and red flowers.
fluid [any substance that can flow, such as a liquid] The fluid on the floor was a harmless chemical.
fly [(1) to move through the air with wings, like a bird or airplane; (2) to travel in an airplane or flying vehicle] Birds fly high in the sky. (1) Walter will fly to Los Angeles tomorrow morning. (2)
fog [a mass of wet air that is difficult to see through] The fog slowed traffic for several hours.
follow [(1) to come or go after; (2) to accept the rule or power of; (3) to obey] He asked us to follow him to his house. (1) He follows the teachings of the Roman Catholic Church. (2) The official said he followed the orders of the President's lawyer. (3)
food [that which is taken in by all living things for energy, strength and growth] He wanted to get food for hungry people.
fool [(1) to make someone believe something that is not true; (2) to trick; (3) a person who is tricked easily] Her lies fooled a lot of people. (1) He fooled people to get what he wanted. (2) Being tricked made him feel like a fool. (3)
foot [the part of the body that touches the ground when a person or animal walks] Her foot hurts because she stepped on a sharp rock.
for [(1) because of; (2) in exchange; (3) through space or time; (4) representative of; (5) to be employed by] He is famous for his work. (1) Give me one dollar for the book. (2) They traveled for one hour. (3) I speak for all people. (4) She works for a computer company. (5)
force [(1) to make someone do something or make something happen by using power; (2) power, strength; (3) strength used against a person or object; (4) military power of a nation; (5) a military group] They forced him to go with them. (1) The bomb exploded with great force. (2) He used powerful force to lift the fallen tree from her body. (3) The President said he will use the full force of the country against foreign invaders. (4) A Navy and Marine Corps landing force is on its way to the troubled island. (5)
foreign [(1) of, about or from another nation; (2) not from one's own place or country] The United States has diplomatic relations with almost every foreign nation. (1) Foreign products seem to cost less than most products made here. (2)