| flight attendant |
a person who works on an airplane helping the passengers during a flight. |
| flimsy |
not solid or strong; weak. |
| flinch |
to draw away suddenly in pain or fear. |
| fling |
to throw hard or with force. [3 definitions] |
| flintlock |
a part of an old-fashioned gun no longer in use. This part makes a spark that sets the powder inside on fire. [2 definitions] |
| flip1 |
to throw in such a way as to cause to turn over or spin. [6 definitions] |
| flip one's lid |
(slang) to lose control of yourself. |
| flip one's wig |
(slang) to lose control of yourself. |
| flipper |
a wide, flat limb on a whale, turtle, or other animal that is used for swimming. [2 definitions] |
| flirt |
to play at love; act in a romantic way that is not serious. [2 definitions] |
| flit |
to fly or move in a quick or light way. |
| float |
to rest on the surface of a liquid without sinking, or drift in a gas such as air without falling. [4 definitions] |
| flock1 |
a group of animals or birds of one kind that stay or are kept together, such as geese or sheep. [3 definitions] |
| floe |
a large sheet of floating ice. |
| flood |
an overflow of water onto land that is not normally under water. [5 definitions] |
| floodlight |
an electric lamp that shines a bright beam of light over a wide area. |
| floor |
the lowest surface in a room; the surface on which one stands in a room. [6 definitions] |
| flop |
to fall down or over in a limp or heavy manner. [4 definitions] |
| floppy |
hanging or flapping in a loose way. [2 definitions] |
| floppy disk |
a thin plastic disk with a special coating, on which computer information can be stored; diskette. |
| flora |
plants generally, or all the plants that grow in a particular place. The word "flora" contrasts with the word "fauna," which refers to animals only. |