as alike as two peas in a pod
as agile as a monkey
as angry as a wasp
as bald as an egg
as bald as a coot
as big as a bus
as big as an elephant
as black as a sweep
as black as coal
as black as pitch
as blind as a bat
as blind as a mole
as blue as indigo
as bold as brass
as brave as a lion
as bright as a button
as bright as a new pin
very bright and shiny
as busy as a beaver
as busy as a bee
as busy as a cat on a hot tin roof
as calm as a millpond / cat
as clear as a bell
as clean as a whistle
as clear as crystal
as clear as mud
as cold as ice
as common as dirt
as cool as a cucumber
as cunning as a fox
as clumsy as a bear
as dark as midnight
as dead as a doornail
as dead as the dodo
as deaf as a post
as deep as the ocean
as docile as a lamb
as different as chalk from cheese
as drunk as a lord
as dry as a bone
as dry as dust
as dull as dishwater
as easy as A.B.C.
as easy as apple-pie
as fit as a fiddle
as fickle as the weather
as flat as a pancake
as free as a bird
as fresh as a daisy
as green as grass
as gentle as a lamb
as good as gold
as healthy as a horse
as hardworking as a bee
as happy as a lark
as hard as nails / steel
as hot as hell
as hungry as a bear
as hungry as a wolf
as innocent as a lamb
as large as life
as light as a feather
as light as air
as mad as a hatter
as mad as a hornet
as mean as a miser
as nutty as a fruitcake
as obstinate as a mule
as old as the hills
as pale as death
as plain as day
as poor as a church mouse
as poor as dirt
as proud as a peacock
as pure as snow
as pure as the driven snow
as quick as a wink
as quick as lightning
as quick as silver
as quiet as a church mouse
as round as a barrel
as safe as houses
as scarce as hen’s teeth
as sharp as a razor
as sick as a dog
as sick as a parrot
as silent as the dead
as silent as the grave
as slippery as an eel
as slow as a snail
as slow as a tortoise
as smooth as silk
as snug as a bug in a rug
as sober as a judge
as solid as a rock
as solid as the ground we stand on
as sound as a bell
as sour as vinegar
as steady as a rock
as stiff as a board
as straight as an arrow
as strong as an ox / Hercules
as stubborn as a mule
as sturdy as an oak
as sure as death and taxes
as tall as a giraffe
as thin as a rake
as thick as a thief
as timid as a rabbit / mouse
as tough as leather
as tough as nails
as tough as old boots
as welcome as a skunk at a lawn party
as white as a ghost
as white as a sheet
as white as snow
as wise as Solomon
as wise as an owl