4-Letter Words That Start With: FL

• the rate of flow of energy or particles across a given surface

• a flow or discharge

• a substance added to molten metals to bond with impurities that can then be readily removed

• excessive discharge of liquid from a cavity or organ (as in watery diarrhea)

• a state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action

• the lines of force surrounding a permanent magnet or a moving charged particle

• (physics) the number of changes in energy flow across a given surface per unit area

• in constant change

• move or progress freely as if in a stream

• become liquid or fluid when heated

• mix together different elements

• fiber of the flax plant that is made into thread and woven into linen fabric

• plant of the genus Linum that is cultivated for its seeds and for the fibers of its stem

• a slick spokesperson who can turn any criticism to the advantage of their employer

• intense adverse criticism

• artillery designed to shoot upward at airplanes

• the motion characteristic of fluids (liquids or gases)

• the amount of fluid that flows in a given time

• the act of flowing or streaming; continuous progression

• any uninterrupted stream or discharge

• something that resembles a flowing stream in moving continuously

• dominant course (suggestive of running water) of successive events or ideas

• the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause

• move or progress freely as if in a stream

• move along, of liquids

• cause to flow

• be abundantly present

• fall or flow in a certain way

• cover or swamp with water

• undergo menstruation

• two-winged insects characterized by active flight

• flap consisting of a piece of canvas that can be drawn back to provide entrance to a tent

• an opening in a garment that is closed by a zipper or by buttons concealed under a fold of cloth

• (baseball) a hit that flies up in the air

• fisherman's lure consisting of a fishhook decorated to look like an insect

• (British informal) not to be deceived or hoodwinked

• travel through the air; be airborne

• move quickly or suddenly

• operate an airplane

• transport by aeroplane

• cause to fly or float

• be dispersed or disseminated

• change quickly from one emotional state to another

• pass away rapidly

• travel in an airplane

• display in the air or cause to float

• run away quickly

• travel over (an area of land or sea) in an aircraft

• hit a fly

• decrease rapidly and disappear

• an imperfection in an object or machine

• defect or weakness in a person's character

• an imperfection in a plan or theory or legal document that causes it to fail or that reduces its effectiveness

• add a flaw or blemish to; make imperfect or defective

• strip the skin off

• an acrobatic feat in which the feet roll over the head (either forward or backward) and return

• a suite of internet protocols, which provide Security transparency, security and network management.

• hot or cold alcoholic mixed drink containing a beaten egg

• a sudden, quick movement

• the act of flipping a coin

• a dive in which the diver somersaults before entering the water

• (sports) the act of throwing the ball to another member of your team

• marked by casual disrespect

• lightly throw to see which side comes up

• cause to go on or to be engaged or set in operation

• look through a book or other written material

• toss with a sharp movement so as to cause to turn over in the air

• cause to move with a flick

• throw or toss with a light motion

• move with a flick or light motion

• turn upside down, or throw so as to reverse

• react in an excited, delighted, or surprised way

• go mad, go crazy

• reverse (a direction, attitude, or course of action)