Repugned- i think thats it
The answer is the difficulty of determining what is real. Typical modernists had a loss of meaning in the modern world, so there themes included the question of "What is real?" There was a search for meaning in a world without God, and a search for self with a critique of traditional values.
To a friend or sister you would write with less intellect, people commonly use slams and abbreviations. it would be informal.