Quinnipiac University Poll asked* in August of last year the open ended question of what is the first word that comes to mind when voters think of Hillary Clinton. They produced the following word cloud from those results. Those who still think Hillary is the best Democratic candidate should bear this image in mind.
Just in case anyone might think things for Hillary have improved since last August then check out this graph of her unfavorables/favorables.
*From August 20 - 25, Quinnipiac University surveyed 1,563 registered voters nationwide
(HT to New Minas)