intolerably

Từ điển WordNet v3.1 - WordNet Dictionary

adverb

to an unacceptable degree
- The percentage of lead in our drinking water is unacceptably high
• Syn:
unacceptably
• Ant:
tolerably, acceptably (for: unacceptably)
• Derived from adjective:
tolerable, acceptable (for: unacceptably)