BALD as a coot
BITTER as gall, as soot
BLACK as ink, as a coal, as a crow
BLIND as a bat, a beetle, a mole
BLUNT as a hedge-hook
BRAVE as Alexander
BRIGHT as silver
BRITTLE as glass
BROWN as a berry
BUSY as a bee
CHATTER like a jay
CLEAR as crystal
COLD as ice, as a frog, as charity
COOL as a cucumber
CROSS as the tongs, as two sticks
DARK as pitch [pitch-dark]
DEAD as a door-nail
DEAF as a post
DRY as a bonc
FAIR as a lily
FALSE as a hell
FAT as a pig, as a porpoise
FLAT as a flounder, as a pancake
FLEET as the wind, as a racehorse
FREE as air
GAY as a lark
GOOD as gold
GREEN as grass
HARD as iron, as a flint
HARMLESS as a dove
HEAVY as lead
HOARSE as a hog, as a raven
HELPLESS as a babe
HOLLOW as a drum
HOT as fire, as an oven, as a coal
HUNGRY as a hunter
LIGHT as a feather, as day
LIMP as a glove
LOUD as thunder
MERRY as a grig, as a cricket
MILD as Moses, as milk
NEAT as wax, as a new pin
OBSTINATE as a pig (pig-headed)
OLD as the hills, as Methuselah
PALE as a ghost
PATIENT as Job
PLAIN as a pikestaff
PLAYFUL as a kitten
PLUMP as a partridge
POOR as a rat, as a church mouse, as Job
PROUD as Lucifer
RED as blood, as a fox, a rose, a brick
ROUGH as a nutmeg-grater
ROUND as an orange, a ball
RUDE as a bear
SAFE as the bank [of England], or the stocks
SAVAGE as a bear, as a tiger, as a bear with a sore head
SICK as a cat, a dog, a horse, a road
SHARP as a needle
SLEEP like a top
SLOW as a snail, as a tortoise
SLY as a fox, as old boots
SOFT as silk, as velvet, as soap
SOUND as a roach, as a bell
SOUR as vinegar, as verjuice
STARE like a stuck pig
STEADY as Old Time
STIFF as a poker
STRAIGHT as an arrow
STRONG as iron, as a horse, as brandy
SURE as a gun, as fate, as death and taxes
SURLY as a bear
SWEET as sugar
SWIFT as lighting, as the wind, as an arrow
THICK as hops
THIN as a lath, as a whipping-post
TIGHT as a drum
TOUGH as leather
TRUE as the Gospel
VAIN as a peacock
WARM as a toast
WEAK as water
WET as a fish
WHITE as driven snow, as milk, as a swan, as a sheet, as chalk
WISE as a serpent, as Solomon
YELLOW as a guinea, as gold, as saffron