terrifically

Từ điển WordNet v3.1 - WordNet Dictionary

adverb

(used as an intensifier) extremely well
- her voice is superbly disciplined
- the colors changed wondrously slowly
• Syn:
wonderfully, wondrous, wondrously, superbly, toppingly,
marvellously, marvelously
• Derived from adjective:
terrific, marvelous (for: marvellously), topping (for: toppingly), superb (for: superbly), wondrous (for: wondrously), wonderful (for: wonderfully)
• Usage Domain:
intensifier, intensive