agonizingly
/ˈæɡənaɪzɪŋli/
adverb
- In a way that causes great pain, worry, or difficulty; extremely slowly or painfully.
- The minutes passed agonizingly slowly as they waited for the test results.
- He moved agonizingly, each step causing him visible pain.
- The movie was agonizingly boring, and I couldn't wait for it to end.