Update 9/14/2015: You know its getting bad when freelancers are launching full-time Twitter accounts to expose all the problems with the Upwork website, from connection timeouts, to CloudFlare 522 errors, to a laundry list of feature bugs.
The definition of lamented is  someone who is dead and who has been mourned for. When your father died and you were mourning for him, this is an example of a time when he was lamented.
Definition of Rhythm. In literature, rhythm is the pattern of stressed and unstressed beats. Rhythm is most commonly found in poetry, though it is also present in some works of drama and prose. The rhythm of a poem can be analyzed through the number of lines in a verse, the number of syllables in the line, and the arrangement of syllables based on whether they are long or short, accented or unaccented.