Amaurotic, Sightless, Dark
as bold as brass
Adventurous, Assuming, Audacious, Aweless
as brave as a lion
Adventurous, Audacious, Chin-up, Chivalrous
as bright as a new pin
Shining, Glowing in Appearance, Ablaze, Aglow, Alight
as busy as a cat on a hot tin roof
Active, Already taken, Assiduous, At work
as calm as a millpond
Peaceful, Quiet, Breezeless, Bucolic, Cool
as clean as a whistle
Not dirty, Uncluttered, Blank, Bright, Cleansed
as clear as mud
Clarion, Crystal, Fair, Fine, Light
as common as dirt
Accepted, Banal, Bourgeois, Casual
as cool as a cucumber
Air-conditioned, Algid, Arctic, Biting, chill
as cunning as a fox
Bottle, Keep, Put up
as dead as the dodo
No longer alive, Asleep, Bereft of life, Bloodless
as deaf as a post
Deafened, Earless, Hard of hearing, Stone deaf
as different as chalk from cheese
dissimilar, Unlike, Altered
as drunk as a lord
Absorb, Belt, Booze, Consume, Dissipate, Down