Depress, dishearten, discourage, dispirit, demoralize, disconcert, displease, grieve, hurt, and wound are all synonyms of 'sadden'. :]
The noun form of the verb to sadden is the gerund, saddening.
sadden
happy
Ethan Whitney Sadden
you can here them or feel a sadden cold spot
me not like you bad grammar sadden me it do =[
Death tends to sadden people...?
agitate, depress, discourage, sadden, upset, worry
He was greatly saddened by the death of his only son
Sadden, Weaned, Wended, Sweden,
it was written to saddenpeople