1. In fear, "she hurried down the stairs fearfully" 
2. In an alarming manner
   "they were fearfully attacked"

See also: awful, fearful

Antonym: fearlessly

• superficies
• superfine
• superfluity
• superfluous
• superfluously
• superfluousness
• superfood
• Superfund
• Superfund program
• Superfund site
• supergiant
• superglue
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• superheat
• superheater
• superhero
• superhet
• superheterodyne receiver
• superhigh frequency
• superhighway
• superhuman
• superimpose
• superimposed
• superimposition
• superincumbent