terribly
(adverb)
adverb
1. used as intensifiers
- terribly interesting
Similar word(s): awful, awfully, frightfully
2. in a terrible manner
- she sings terribly
Similar word(s): abominably, abysmally, atrociously, awfully, rottenly
Sentences with terribly as an adverb:
- The lion roared terribly.
- He's terribly busy and you really shouldn't bother him.
- She even signed up for karaoke, although she sang terribly.