perplexity
per|plex|ity /pərpl'eksɪti/ (perplexities)
1 [N-UNCOUNT]
Perplexity is a feeling of being confused and frustrated because you do not understand something.
He began counting them and then, with growing perplexity, counted them a second time.
2 [N-COUNT] usu pl
The perplexities of something are those things about it which are difficult to understand because they are complicated.
...the perplexities of quantum mechanics.
1 [N-UNCOUNT]
Perplexity is a feeling of being confused and frustrated because you do not understand something.
He began counting them and then, with growing perplexity, counted them a second time.
2 [N-COUNT] usu pl
The perplexities of something are those things about it which are difficult to understand because they are complicated.
...the perplexities of quantum mechanics.