'Dissident' has a few senses: 1: a person who dissents from some established policy; 2: disagreeing, especially with a majority; 3: characterized by departure from accepted beliefs or standards
"Word" has a large set of very rich meanings documented in numerous other sources. A volunteer contributor's attempt at defining it would seem redundant and futile, so see the related Merriam Webster...
The English term 'about' has many different senses: 1: all around or on all sides; 2: (of actions or states) slightly short of or not quite accomplished; all but; 3: (of quantities) imprecise but...