congenital :: existing at birth
conjugal :: pertaining to marriage
connubial :: pertaining to marriage or the matrimonial state
consummate :: complete
contentious :: quarrelsome
contiguous :: adjacent to; touching upon
contingent :: conditional
contrite :: penitent
contumacious :: disobedient; resisting authority
conversant :: familiar with
convivial :: festive; gay; characterized by joviality
copious :: plentiful
corporeal :: bodily; material
corpulent :: very fat
corrosive :: eating away by chemicals or disease
cosmic :: pertaining to the universe; vast
covert :: secret; hidden; implied
covetous :: avaricious; eagerly desirous of
coy :: shy; modest; coquettish
crabbed :: sour; peevish
crass :: very unrefined; grossly insensible
craven :: cowardly
crestfallen :: dejected; dispirited
cryptic :: mysterious; hidden; secret
culinary :: relating to cooking
cursory :: casual; hastily done
dank :: damp
culpable :: deserving blame
dauntless :: bold
debonair :: friendly; aiming to please
deciduous :: falling of as of leaves
decorous :: proper
decrepit :: worn out by age
deducible :: derived by reasoning
defeatist :: attitude of one who is ready to accept defeat as a natural outcome
definitive :: final; complete
defunct :: dead; no longer in use or existence
deleterious :: harmful
delusive :: deceptive; raising vain hopes
demoniac :: fiendish
demure :: grave; serious; coy
deprecatory :: disapproving
deranged :: insane
derelict :: abandoned
derogatory :: expressing a low opinion
despicable :: contemptible
destitute :: extremely poor
desultory :: aimless; jumping around
devious :: going astray; erratic
devoid :: lacking
devout :: pious