All adverbs

ninefold
by a factor of nine
 
raspingly
in a harsh and grating manner
 
asymptotically
toward an asymptote
 
at any cost
regardless of the cost involved
 
catalytically
by catalytic action; in a catalytic manner
 
feebly
in a halting and feeble manner
 
lukewarmly
in an unenthusiastically lukewarm manner
 
westerly
from the west
 
at arm's length
at some distance
 
logogrammatically
by means of logograms
 
inalienably
in an inalienable manner
 
refreshingly
in a pleasantly novel manner
 
terrestrially
to a land environment
 
scoffingly
in a disrespectful and mocking manner
 
disputatiously
in a disputatious manner
 
officiously
in an officious manner
 
after all
emphasizes something to be considered
 
voluptuously
in a shapely and voluptuous manner
 
manipulatively
in an artfully manipulative manner
 
inevitably
in such a manner as could not be otherwise
 
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