(B) Stiffness is the quality of being rigid (that is, very easy to bend). Malleability is the quality of being pliant (that is, very easy to bend).
STIFFNESS: hard to bend or stretch; rigid; firm; not flexible or pliant
Pliant: adaptable or compliant
Fluid: that can flow; not solid; able to move and change shape without separating when under pressure

(C) A lock is a small piece of one’s hair (often kept as a souvenir or remembrance of someone special). A swatch is a small piece of fabric (usually used as a sample by a tailor or designer).
Species: outward form, appearance, or mental image
Specimen: a part of a whole, or one individual of a class or group, used as a sample or example of the whole, class, or group; typical part, individual, etc.
Quarry: a square or diamond-shaped piece of glass, tile, etc.
Ore: any natural combination of minerals, esp. one from which a metal or metals can be profitably extracted
Limb: any projecting part forming an outgrowth or extension from a larger body

(B) A skinflint is a person who exhibits miserliness (that is, stinginess) in the way he handles money. Similarly, a spendthrift exhibits wastefulness in the way he handles money.
Skinflint: a niggardly person; miser
Philanthropist: a person, esp. a wealthy one, who practices philanthropy
wastefulness: using more than is necessary; extravagant
Pauper: any person who is extremely poor Indigence:
Shrewdness: orig., a) evil, bad, wicked, mischievous, shrewish, etc. b) artful, cunning, wily, etc. in one‘s dealings with others
Tightwad: a stingy person; miser

(A) To jam a (radio or TV) broadcast is to block it or prevent it from being heard, usually by drowning out the signal with electronic “noise.” Likewise, to drown out a speech is to prevent it from being heard by making noise.
BROADCAST: to spread (information, gossip, etc.) widely
Misquote: to quote incorrectly
Distort: to twist out of shape; change the usual or normal shape, form, or appearance of

(E) When a dancer is skillful, he performs in a way that is graceful; when a juggler is skillful, we might call him dexterous (that is, quick and sure-handed).
Athlete: a person trained in exercises, games, or contests requiring physical strength, skill, stamina, speed, etc. Stentorian: Orator:
Dexterous: having or showing skill in the use of the hands or body
Juggler: the art or act of juggling; sleight of hand