I think that what a word is generally understood to mean , or what any two users between them can agree to understand it to mean , is exactly what it means.
The natural evolution of language expands some words and shrinks others, sounds change, usage changes and pidgins and creoles form.
I am fascinated by the subject , tho I am totally amateur , ...
... I think in any case , you understood what I meant to say , even if there might have been a better word to choose.
http://www.merriam-webster.com/dictionary/tragictrag·ic adjective \?tra-jik\
: causing strong feelings of sadness usually because someone has died in a way that seems very shocking, unfair, etc.
: involving very sad or serious topics : of or relating to tragedy
Full Definition of TRAGIC
1
: of, marked by, or expressive of tragedy <the tragic significance of the atomic bomb — H. S. Truman>
2
a : dealing with or treated in tragedy <the tragic hero>
b : appropriate to or typical of tragedy
3
a : regrettably serious or unpleasant : deplorable, lamentable <a tragic mistake>
b : marked by a sense of tragedy
— trag·i·cal·ly adverb