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F
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fiasco
a complete failure, often in an embarrassing way
fiat lux
Let there be light; a call for enlightenment.
fib
A small, unimportant lie.
fiber
a dietary component that aids digestion
fiberglass
a strong material made of thin mineral threads
Fibonacci
relating to a number sequence adding the two before
fibrillation
Rapid, irregular heartbeat causing ineffective pumping.
fibroblasts
Cells that produce collagen and connective tissue.
fibromyalgia
A condition causing widespread muscle and bone pain.
fibrosis
abnormal thickening and scarring of tissue.
fibrous
made of thin threads and very stringy
fibula
A bone in the lower leg, next to the tibia.
fic
Short for fan fiction, a fan-created story.
fickle
Changeable, especially in loyalty or affection.
fickle mistress
something that is unpredictable or changeable
FICO
A credit score used in lending.
fiction
Stories created from imagination, not facts.
fictional
Not real; created from imagination or fantasy.
fictitious
Not real; created from imagination.
fiddle
a violin used to play traditional folk music
fiddle while Rome burns
to ignore problems and indulge in pleasure.
fiddler
A musician who plays the violin.
fidelity
faithfulness to a person or cause
fidget
To make small movements due to nervousness.