"bedevilled" in the verb sense
1. torment, rag, bedevil, crucify, dun, frustrate
treat cruelly
"The children tormented the stuttering teacher"
2. confuse, throw, fox, befuddle, fuddle, bedevil, confound, discombobulate
be confusing or perplexing to cause to be unable to think clearly
"These questions confuse even the experts"
"This question completely threw me"
"This question befuddled even the teacher"
Source: WordNet® (An amazing lexical database of English)
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